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78137583303085 = 561967252190951
BaseRepresentation
bin10001110001000011010010…
…111001010111100110101101
3101020122212202112021010110221
4101301003102321113212231
540220201232311144320
6434103524335131341
722313153104314055
oct2161032271274655
9336585675233427
1078137583303085
1122995a65806319
12891b706673b51
13347a45b5a9377
141541c447a8565
159078104093aa
hex4710d2e579ad

78137583303085 has 8 divisors (see below), whose sum is σ = 93766613481216. Its totient is φ = 62509057630800.

The previous prime is 78137583303079. The next prime is 78137583303107. The reversal of 78137583303085 is 58030338573187.

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

It is not a de Polignac number, because 78137583303085 - 23 = 78137583303077 is a prime.

It is a super-2 number, since 2×781375833030852 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125785641 + ... + 126405310.

It is an arithmetic number, because the mean of its divisors is an integer number (11720826685152).

Almost surely, 278137583303085 is an apocalyptic number.

It is an amenable number.

78137583303085 is a deficient number, since it is larger than the sum of its proper divisors (15629030178131).

78137583303085 is a wasteful number, since it uses less digits than its factorization.

78137583303085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252252923.

The product of its (nonzero) digits is 50803200, while the sum is 61.

The spelling of 78137583303085 in words is "seventy-eight trillion, one hundred thirty-seven billion, five hundred eighty-three million, three hundred three thousand, eighty-five".

Divisors: 1 5 61967 309835 252190951 1260954755 15627516660617 78137583303085