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54102214705 = 5711160987337
BaseRepresentation
bin110010011000101111…
…100100100000110001
312011122110212021021211
4302120233210200301
51341300131332310
640504302120121
73623463144250
oct623057444061
9164573767254
1054102214705
1120a43320740
12a59a880041
1351428cbcc6
142893490797
151619aaac8a
hexc98be4831

54102214705 has 32 divisors (see below), whose sum is σ = 80993767680. Its totient is φ = 33704709120.

The previous prime is 54102214631. The next prime is 54102214711. The reversal of 54102214705 is 50741220145.

It is not a de Polignac number, because 54102214705 - 213 = 54102206513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575797 + ... + 663133.

It is an arithmetic number, because the mean of its divisors is an integer number (2531055240).

Almost surely, 254102214705 is an apocalyptic number.

54102214705 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54102214705 is a deficient number, since it is larger than the sum of its proper divisors (26891552975).

54102214705 is a wasteful number, since it uses less digits than its factorization.

54102214705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88969.

The product of its (nonzero) digits is 11200, while the sum is 31.

The spelling of 54102214705 in words is "fifty-four billion, one hundred two million, two hundred fourteen thousand, seven hundred five".

Divisors: 1 5 7 11 35 55 77 385 1609 8045 11263 17699 56315 87337 88495 123893 436685 611359 619465 960707 3056795 4803535 6724949 33624745 140525233 702626165 983676631 1545777563 4918383155 7728887815 10820442941 54102214705