Search a number
-
+
23003220100 = 22527131250853
BaseRepresentation
bin10101011011000110…
…010100100010000100
32012101010121122201211
4111123012110202010
5334102311020400
614322330501204
71443020100430
oct253306244204
965333548654
1023003220100
119834799803
12455b894804
132227948a53
1411830c99c0
158e9748dba
hex55b194884

23003220100 has 72 divisors (see below), whose sum is σ = 57483695808. Its totient is φ = 7826582400.

The previous prime is 23003220089. The next prime is 23003220131. The reversal of 23003220100 is 102230032.

It is a happy number.

It is a super-3 number, since 3×230032201003 (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33727 + ... + 217126.

It is an arithmetic number, because the mean of its divisors is an integer number (798384664).

Almost surely, 223003220100 is an apocalyptic number.

23003220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23003220100 is an abundant number, since it is smaller than the sum of its proper divisors (34480475708).

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

23003220100 is a wasteful number, since it uses less digits than its factorization.

23003220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251005 (or 250998 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 23003220100 its reverse (102230032), we get a palindrome (23105450132).

The spelling of 23003220100 in words is "twenty-three billion, three million, two hundred twenty thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 131 140 175 262 350 524 655 700 917 1310 1834 2620 3275 3668 4585 6550 9170 13100 18340 22925 45850 91700 250853 501706 1003412 1254265 1755971 2508530 3511942 5017060 6271325 7023884 8779855 12542650 17559710 25085300 32861743 35119420 43899275 65723486 87798550 131446972 164308715 175597100 230032201 328617430 460064402 657234860 821543575 920128804 1150161005 1643087150 2300322010 3286174300 4600644020 5750805025 11501610050 23003220100