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23270657500 = 225467313831
BaseRepresentation
bin10101101011000010…
…100000110111011100
32020001202211212212201
4111223002200313130
5340124242020000
614405042541244
71452445216336
oct255302406734
966052755781
1023270657500
119961752452
124615367824
13226b18532c
1411aa824456
15912e7496a
hex56b0a0ddc

23270657500 has 60 divisors (see below), whose sum is σ = 50967572656. Its totient is φ = 9293760000.

The previous prime is 23270657489. The next prime is 23270657503. The reversal of 23270657500 is 575607232.

It is a self number, because there is not a number n which added to its sum of digits gives 23270657500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23270657503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1675585 + ... + 1689415.

Almost surely, 223270657500 is an apocalyptic number.

23270657500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23270657500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25483786328).

23270657500 is an abundant number, since it is smaller than the sum of its proper divisors (27696915156).

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

23270657500 is a wasteful number, since it uses less digits than its factorization.

23270657500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14528 (or 14511 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 37.

The spelling of 23270657500 in words is "twenty-three billion, two hundred seventy million, six hundred fifty-seven thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 625 673 1250 1346 2500 2692 3365 6730 13460 13831 16825 27662 33650 55324 67300 69155 84125 138310 168250 276620 336500 345775 420625 691550 841250 1383100 1682500 1728875 3457750 6915500 8644375 9308263 17288750 18616526 34577500 37233052 46541315 93082630 186165260 232706575 465413150 930826300 1163532875 2327065750 4654131500 5817664375 11635328750 23270657500