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39418557718109 = 1163268312632821
BaseRepresentation
bin10001111011001110110010…
…01000010101111001011101
312011120101012001200201021012
420331213121020111321131
520131313201233434414
6215500345130145005
711205616415146103
oct1075473110257135
9164511161621235
1039418557718109
1111618353212899
1245076b7282165
1318cc20058105b
149a3c22b5dc73
154855791c233e
hex23d9d9215e5d

39418557718109 has 8 divisors (see below), whose sum is σ = 39467159304672. Its totient is φ = 39369981404880.

The previous prime is 39418557718103. The next prime is 39418557718139. The reversal of 39418557718109 is 90181775581493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39418557718109 - 212 = 39418557714013 is a prime.

It is a super-2 number, since 2×394185577181092 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39418557718103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3196082 + ... + 9436739.

It is an arithmetic number, because the mean of its divisors is an integer number (4933394913084).

Almost surely, 239418557718109 is an apocalyptic number.

It is an amenable number.

39418557718109 is a deficient number, since it is larger than the sum of its proper divisors (48601586563).

39418557718109 is a wasteful number, since it uses less digits than its factorization.

39418557718109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12636667.

The product of its (nonzero) digits is 76204800, while the sum is 68.

The spelling of 39418557718109 in words is "thirty-nine trillion, four hundred eighteen billion, five hundred fifty-seven million, seven hundred eighteen thousand, one hundred nine".

Divisors: 1 1163 2683 3120329 12632821 14691970823 33893858743 39418557718109