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53101983105 = 3351771325889
BaseRepresentation
bin110001011101000111…
…111111010110000001
312002001202202020111000
4301131013333112001
51332223101424410
640221131442213
73556626260163
oct613507772601
9162052666430
1053101983105
112057a759956
12a35b8b6369
1350136105a2
1427da6c2933
1515abd80dc0
hexc5d1ff581

53101983105 has 64 divisors (see below), whose sum is σ = 101364825600. Its totient is φ = 26279608320.

The previous prime is 53101983083. The next prime is 53101983239. The reversal of 53101983105 is 50138910135.

53101983105 is a `hidden beast` number, since 531 + 0 + 1 + 98 + 31 + 0 + 5 = 666.

53101983105 is a nontrivial binomial coefficient, being equal to C(325890, 2).

It is not a de Polignac number, because 53101983105 - 27 = 53101982977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53101983105.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1 + ... + 325889.

It is an arithmetic number, because the mean of its divisors is an integer number (1583825400).

Almost surely, 253101983105 is an apocalyptic number.

53101983105 is the 325889-th triangular number and also the 162945-th hexagonal number.

It is an amenable number.

53101983105 is a deficient number, since it is larger than the sum of its proper divisors (48262842495).

53101983105 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (53101983104) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (325991).

53101983105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325991 (or 325985 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The spelling of 53101983105 in words is "fifty-three billion, one hundred one million, nine hundred eighty-three thousand, one hundred five".

Divisors: 1 3 5 9 15 17 27 45 51 71 85 135 153 213 255 355 459 639 765 1065 1207 1917 2295 3195 3621 6035 9585 10863 18105 32589 54315 162945 325889 977667 1629445 2933001 4888335 5540113 8799003 14665005 16620339 23138119 27700565 43995015 49861017 69414357 83101695 115690595 149583051 208243071 249305085 347071785 393348023 624729213 747915255 1041215355 1180044069 1966740115 3123646065 3540132207 5900220345 10620396621 17700661035 53101983105