Search a number
-
+
53931251814 = 23115557147047
BaseRepresentation
bin110010001110100011…
…011001100001100110
312011012120011110021220
4302032203121201212
51340422400024224
640435313521210
73616316035206
oct621643314146
9164176143256
1053931251814
11209658707a0
12a551573206
13511637062b
1428788aa406
151609a8a279
hexc8e8d9866

53931251814 has 32 divisors (see below), whose sum is σ = 117690160896. Its totient is φ = 16339751520.

The previous prime is 53931251813. The next prime is 53931251833. The reversal of 53931251814 is 41815213935.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53931251813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293239 + ... + 440285.

It is an arithmetic number, because the mean of its divisors is an integer number (3677817528).

Almost surely, 253931251814 is an apocalyptic number.

53931251814 is an abundant number, since it is smaller than the sum of its proper divisors (63758909082).

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

53931251814 is a wasteful number, since it uses less digits than its factorization.

53931251814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152620.

The product of its digits is 129600, while the sum is 42.

The spelling of 53931251814 in words is "fifty-three billion, nine hundred thirty-one million, two hundred fifty-one thousand, eight hundred fourteen".

Divisors: 1 2 3 6 11 22 33 66 5557 11114 16671 33342 61127 122254 147047 183381 294094 366762 441141 882282 1617517 3235034 4852551 9705102 817140179 1634280358 2451420537 4902841074 8988541969 17977083938 26965625907 53931251814