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23102212312100 = 2252231022123121
BaseRepresentation
bin1010100000010111001110…
…01010001000110000100100
310000210112211220020020000202
411100023213022020300210
511012001312322441400
6121045002042130032
74603036233423005
oct520134712106044
9100715756206022
1023102212312100
1173a7658638719
1227114441b0918
13cb76b5a75a8c
1459c21dd391ac
152a0e1cb644d5
hex1502e7288c24

23102212312100 has 18 divisors (see below), whose sum is σ = 50131800717474. Its totient is φ = 9240884924800.

The previous prime is 23102212312033. The next prime is 23102212312141. The reversal of 23102212312100 is 121321220132.

It can be written as a sum of positive squares in 3 ways, for example, as 6399493397284 + 16702718914816 = 2529722^2 + 4086896^2 .

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

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 115511061461 + ... + 115511061660.

Almost surely, 223102212312100 is an apocalyptic number.

23102212312100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23102212312100 is an abundant number, since it is smaller than the sum of its proper divisors (27029588405374).

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

23102212312100 is a wasteful number, since it uses less digits than its factorization.

23102212312100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231022123135 (or 231022123128 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 23102212312100 its reverse (121321220132), we get a palindrome (23223533532232).

The spelling of 23102212312100 in words is "twenty-three trillion, one hundred two billion, two hundred twelve million, three hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 231022123121 462044246242 924088492484 1155110615605 2310221231210 4620442462420 5775553078025 11551106156050 23102212312100