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23793861611537 is a prime number
BaseRepresentation
bin1010110100011111100001…
…01010110101000000010001
310010020200010010102002010122
411122033300222311000101
511104314312033032122
6122334425451040025
75004023033443523
oct532176052650021
9103220103362118
1023793861611537
117643a13636396
1228034b0140015
1310379a012c884
145c38b4165a13
152b3deda4a142
hex15a3f0ab5011

23793861611537 has 2 divisors, whose sum is σ = 23793861611538. Its totient is φ = 23793861611536.

The previous prime is 23793861611503. The next prime is 23793861611551. The reversal of 23793861611537 is 73511616839732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23739736054336 + 54125557201 = 4872344^2 + 232649^2 .

It is a cyclic number.

It is not a de Polignac number, because 23793861611537 - 210 = 23793861610513 is a prime.

It is a super-2 number, since 2×237938616115372 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23793861611537.

It is not a weakly prime, because it can be changed into another prime (23793861611557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11896930805768 + 11896930805769.

It is an arithmetic number, because the mean of its divisors is an integer number (11896930805769).

Almost surely, 223793861611537 is an apocalyptic number.

It is an amenable number.

23793861611537 is a deficient number, since it is larger than the sum of its proper divisors (1).

23793861611537 is an equidigital number, since it uses as much as digits as its factorization.

23793861611537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34292160, while the sum is 62.

The spelling of 23793861611537 in words is "twenty-three trillion, seven hundred ninety-three billion, eight hundred sixty-one million, six hundred eleven thousand, five hundred thirty-seven".