Search a number
-
+
53435542986 = 23271073963473
BaseRepresentation
bin110001110001000000…
…011010110111001010
312002221000101211121200
4301301000122313022
51333413444333421
640314205045030
73601116423030
oct616100326712
9162830354550
1053435542986
1120730a75381
12a433556776
13506775b7b7
14282cb10550
1515cb2bd726
hexc7101adca

53435542986 has 48 divisors (see below), whose sum is σ = 133553219904. Its totient is φ = 15124609152.

The previous prime is 53435542973. The next prime is 53435542991. The reversal of 53435542986 is 68924553435.

It is a happy number.

53435542986 is a `hidden beast` number, since 5 + 3 + 4 + 3 + 5 + 542 + 98 + 6 = 666.

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, 1968255 + ... + 1995218.

It is an arithmetic number, because the mean of its divisors is an integer number (2782358748).

Almost surely, 253435542986 is an apocalyptic number.

53435542986 is an abundant number, since it is smaller than the sum of its proper divisors (80117676918).

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

53435542986 is a wasteful number, since it uses less digits than its factorization.

53435542986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963595 (or 3963592 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 54.

The spelling of 53435542986 in words is "fifty-three billion, four hundred thirty-five million, five hundred forty-two thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 107 126 214 321 642 749 963 1498 1926 2247 4494 6741 13482 3963473 7926946 11890419 23780838 27744311 35671257 55488622 71342514 83232933 166465866 249698799 424091611 499397598 848183222 1272274833 2544549666 2968641277 3816824499 5937282554 7633648998 8905923831 17811847662 26717771493 53435542986