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65392113420 = 223251919120501
BaseRepresentation
bin111100111001101011…
…000111011100001100
320020210021210112210200
4330321223013130030
52032410340112140
650012443533500
74503322535664
oct747153073414
9206707715720
1065392113420
1125807163747
121080b82a290
1362218c874a
143244a651a4
151a7ad11030
hexf39ac770c

65392113420 has 72 divisors (see below), whose sum is σ = 208795881840. Its totient is φ = 16520112000.

The previous prime is 65392113379. The next prime is 65392113463. The reversal of 65392113420 is 2431129356.

65392113420 is a `hidden beast` number, since 6 + 539 + 2 + 113 + 4 + 2 + 0 = 666.

It is a super-2 number, since 2×653921134202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9556831 + ... + 9563670.

Almost surely, 265392113420 is an apocalyptic number.

65392113420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65392113420 is an abundant number, since it is smaller than the sum of its proper divisors (143403768420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65392113420 is a wasteful number, since it uses less digits than its factorization.

65392113420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19120535 (or 19120530 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 65392113420 in words is "sixty-five billion, three hundred ninety-two million, one hundred thirteen thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 76 90 95 114 171 180 190 228 285 342 380 570 684 855 1140 1710 3420 19120501 38241002 57361503 76482004 95602505 114723006 172084509 191205010 229446012 286807515 344169018 363289519 382410020 573615030 688338036 726579038 860422545 1089868557 1147230060 1453158076 1720845090 1816447595 2179737114 3269605671 3441690180 3632895190 4359474228 5449342785 6539211342 7265790380 10898685570 13078422684 16348028355 21797371140 32696056710 65392113420