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23031430544140 = 2251151571527207
BaseRepresentation
bin1010011110010011011000…
…01111000111101100001100
310000112210010222211212010021
411033021230033013230030
511004321332204403030
6120552254303151524
74564652214343324
oct517115417075414
9100483128755107
1023031430544140
11737a636128827
1226bb78b5a55a4
13cb0b15690045
14598a27582284
1529e178acd97a
hex14f26c3c7b0c

23031430544140 has 12 divisors (see below), whose sum is σ = 48366004142736. Its totient is φ = 9212572217648.

The previous prime is 23031430544093. The next prime is 23031430544149. The reversal of 23031430544140 is 4144503413032.

It is a junction number, because it is equal to n+sod(n) for n = 23031430544096 and 23031430544105.

It is not an unprimeable number, because it can be changed into a prime (23031430544149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575785763584 + ... + 575785763623.

It is an arithmetic number, because the mean of its divisors is an integer number (4030500345228).

Almost surely, 223031430544140 is an apocalyptic number.

23031430544140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23031430544140 is an abundant number, since it is smaller than the sum of its proper divisors (25334573598596).

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

23031430544140 is a wasteful number, since it uses less digits than its factorization.

23031430544140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151571527216 (or 1151571527214 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 23031430544140 its reverse (4144503413032), we get a palindrome (27175933957172).

The spelling of 23031430544140 in words is "twenty-three trillion, thirty-one billion, four hundred thirty million, five hundred forty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1151571527207 2303143054414 4606286108828 5757857636035 11515715272070 23031430544140