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23011231012130 = 2537457136088657
BaseRepresentation
bin1010011101101101110000…
…10000000001010100100010
310000110212000020212022102002
411032312320100001110202
511004004000114342010
6120535114045124002
74563335520221414
oct516667020012442
9100425006768362
1023011231012130
117372010006419
1226b7892859602
13cabc4686313a
14597a6c99a9b4
1529d89559c1a5
hex14edb8401522

23011231012130 has 32 divisors (see below), whose sum is σ = 42632766068976. Its totient is φ = 8936125507584.

The previous prime is 23011231012109. The next prime is 23011231012177. The reversal of 23011231012130 is 3121013211032.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 11987722104241 + 11023508907889 = 3462329^2 + 3320167^2 .

It is a super-2 number, since 2×230112310121302 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67875239 + ... + 68213418.

Almost surely, 223011231012130 is an apocalyptic number.

23011231012130 is a deficient number, since it is larger than the sum of its proper divisors (19621535056846).

23011231012130 is a wasteful number, since it uses less digits than its factorization.

23011231012130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136089158.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 23011231012130 its reverse (3121013211032), we get a palindrome (26132244223162).

The spelling of 23011231012130 in words is "twenty-three trillion, eleven billion, two hundred thirty-one million, twelve thousand, one hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 457 914 2285 4570 16909 33818 84545 169090 136088657 272177314 680443285 1360886570 5035280309 10070560618 25176401545 50352803090 62192516249 124385032498 310962581245 621925162490 2301123101213 4602246202426 11505615506065 23011231012130