Search a number
-
+
231403004210000 = 245472472251029
BaseRepresentation
bin110100100111010110110101…
…110111011010101101010000
31010100022220121020021021220102
4310213112311313122231100
5220312301323034210000
62140053023402031532
766512213110022600
oct6447266567325520
91110286536237812
10231403004210000
1167806510238077
1221b53551aa85a8
139c1729583183c
14411dd7259ac00
151bb44caaee3d5
hexd275b5ddab50

231403004210000 has 150 divisors (see below), whose sum is σ = 651719172177810. Its totient is φ = 79338172704000.

The previous prime is 231403004209997. The next prime is 231403004210071. The reversal of 231403004210000 is 12400304132.

It can be written as a sum of positive squares in 5 ways, for example, as 35727445835536 + 195675558374464 = 5977244^2 + 13988408^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 235635515 + ... + 236615514.

Almost surely, 2231403004210000 is an apocalyptic number.

231403004210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231403004210000 is an abundant number, since it is smaller than the sum of its proper divisors (420316167967810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231403004210000 is an equidigital number, since it uses as much as digits as its factorization.

231403004210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472251071 (or 472251043 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 231403004210000 its reverse (12400304132), we get a palindrome (231415404514132).

The spelling of 231403004210000 in words is "two hundred thirty-one trillion, four hundred three billion, four million, two hundred ten thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 49 50 56 70 80 98 100 112 125 140 175 196 200 245 250 280 350 392 400 490 500 560 625 700 784 875 980 1000 1225 1250 1400 1750 1960 2000 2450 2500 2800 3500 3920 4375 4900 5000 6125 7000 8750 9800 10000 12250 14000 17500 19600 24500 30625 35000 49000 61250 70000 98000 122500 245000 490000 472251029 944502058 1889004116 2361255145 3305757203 3778008232 4722510290 6611514406 7556016464 9445020580 11806275725 13223028812 16528786015 18890041160 23140300421 23612551450 26446057624 33057572030 37780082320 46280600842 47225102900 52892115248 59031378625 66115144060 82643930075 92561201684 94450205800 115701502105 118062757250 132230288120 165287860150 185122403368 188900411600 231403004210 236125514500 264460576240 295156893125 330575720300 370244806736 413219650375 462806008420 472251029000 578507510525 590313786250 661151440600 826439300750 925612016840 944502058000 1157015021050 1180627572500 1322302881200 1652878601500 1851224033680 2066098251875 2314030042100 2361255145000 2892537552625 3305757203000 4132196503750 4628060084200 4722510290000 5785075105250 6611514406000 8264393007500 9256120168400 11570150210500 14462687763125 16528786015000 23140300421000 28925375526250 33057572030000 46280600842000 57850751052500 115701502105000 231403004210000