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18425327631361 = 7431493971034837
BaseRepresentation
bin1000011000001111110110…
…00110111011110000000001
32102020102222202121000020021
410030013323012323300001
54403340032333200421
6103104251220213441
73611120536520440
oct414077306736001
972212882530207
1018425327631361
1159641571119a2
122096b50b3a281
13a38668747b21
14479b0d640d57
1521e4420e0341
hex10c1fb1bbc01

18425327631361 has 32 divisors (see below), whose sum is σ = 21746499667200. Its totient is φ = 15283716408576.

The previous prime is 18425327631343. The next prime is 18425327631379. The reversal of 18425327631361 is 16313672352481.

It is an interprime number because it is at equal distance from previous prime (18425327631343) and next prime (18425327631379).

It is not a de Polignac number, because 18425327631361 - 239 = 17875571817473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18425327631299 and 18425327631308.

It is not an unprimeable number, because it can be changed into a prime (18425327631311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17287635 + ... + 18322471.

It is an arithmetic number, because the mean of its divisors is an integer number (679578114600).

Almost surely, 218425327631361 is an apocalyptic number.

It is an amenable number.

18425327631361 is a deficient number, since it is larger than the sum of its proper divisors (3321172035839).

18425327631361 is a wasteful number, since it uses less digits than its factorization.

18425327631361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035433.

The product of its digits is 4354560, while the sum is 52.

The spelling of 18425327631361 in words is "eighteen trillion, four hundred twenty-five billion, three hundred twenty-seven million, six hundred thirty-one thousand, three hundred sixty-one".

Divisors: 1 7 43 149 301 397 1043 2779 6407 17071 44849 59153 119497 414071 1034837 2543579 7243859 17805053 44497991 154190713 311485937 410830289 1079334991 2875812023 6630200659 17665702427 46411404613 61213713061 123659916989 428495991427 2632189661623 18425327631361