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23311130100 = 22352591317013
BaseRepresentation
bin10101101101011100…
…111001110111110100
32020011121000002211220
4111231130321313310
5340220122130400
614413050230340
71453446223266
oct255534716764
966147002756
1023311130100
119982586085
124626a253b0
13227668600b
1411b1d5bb36
159167bb7a0
hex56d739df4

23311130100 has 72 divisors (see below), whose sum is σ = 68590089120. Its totient is φ = 6110935680.

The previous prime is 23311130093. The next prime is 23311130107. The reversal of 23311130100 is 103111332.

It is an interprime number because it is at equal distance from previous prime (23311130093) and next prime (23311130107).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23311130100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311130107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 640807 + ... + 676206.

Almost surely, 223311130100 is an apocalyptic number.

23311130100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23311130100 is an abundant number, since it is smaller than the sum of its proper divisors (45278959020).

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

23311130100 is a wasteful number, since it uses less digits than its factorization.

23311130100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317089 (or 1317082 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 23311130100 its reverse (103111332), we get a palindrome (23414241432).

The spelling of 23311130100 in words is "twenty-three billion, three hundred eleven million, one hundred thirty thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 59 60 75 100 118 150 177 236 295 300 354 590 708 885 1180 1475 1770 2950 3540 4425 5900 8850 17700 1317013 2634026 3951039 5268052 6585065 7902078 13170130 15804156 19755195 26340260 32925325 39510390 65850650 77703767 79020780 98775975 131701300 155407534 197551950 233111301 310815068 388518835 395103900 466222602 777037670 932445204 1165556505 1554075340 1942594175 2331113010 3885188350 4662226020 5827782525 7770376700 11655565050 23311130100