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55103637634381 = 78394842749801
BaseRepresentation
bin11001000011101110100001…
…01111110011110101001101
321020002212010020202201002001
430201313100233303311031
524210304222213300011
6313110132304032301
714415051336506650
oct1441672057636515
9236085106681061
1055103637634381
1116615359994256
12621b554902691
132499334b2294b
14d8705d199897
1565858ab137c1
hex321dd0bf3d4d

55103637634381 has 8 divisors (see below), whose sum is σ = 63734327866944. Its totient is φ = 46662632901600.

The previous prime is 55103637634369. The next prime is 55103637634387. The reversal of 55103637634381 is 18343673630155.

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 55103637634381 - 25 = 55103637634349 is a prime.

It is a super-2 number, since 2×551036376343812 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55103637634387) 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, 47421374320 + ... + 47421375481.

It is an arithmetic number, because the mean of its divisors is an integer number (7966790983368).

Almost surely, 255103637634381 is an apocalyptic number.

It is an amenable number.

55103637634381 is a deficient number, since it is larger than the sum of its proper divisors (8630690232563).

55103637634381 is an equidigital number, since it uses as much as digits as its factorization.

55103637634381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94842749891.

The product of its (nonzero) digits is 16329600, while the sum is 55.

The spelling of 55103637634381 in words is "fifty-five trillion, one hundred three billion, six hundred thirty-seven million, six hundred thirty-four thousand, three hundred eighty-one".

Divisors: 1 7 83 581 94842749801 663899248607 7871948233483 55103637634381