Search a number
-
+
52181876788 = 22173124754211
BaseRepresentation
bin110000100110010010…
…000100000000110100
311222200122101222220021
4300212102010000310
51323332030024123
635545542414524
73525054430366
oct604622040064
9158618358807
1052181876788
1120148344408
12a143731444
134bc7ac7292
142750410d36
1515561d1c5d
hexc26484034

52181876788 has 24 divisors (see below), whose sum is σ = 99808982784. Its totient is φ = 23764041600.

The previous prime is 52181876729. The next prime is 52181876807. The reversal of 52181876788 is 88767818125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12374998 + ... + 12379213.

It is an arithmetic number, because the mean of its divisors is an integer number (4158707616).

Almost surely, 252181876788 is an apocalyptic number.

It is an amenable number.

52181876788 is a deficient number, since it is larger than the sum of its proper divisors (47627105996).

52181876788 is a wasteful number, since it uses less digits than its factorization.

52181876788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24754263 (or 24754261 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 61.

The spelling of 52181876788 in words is "fifty-two billion, one hundred eighty-one million, eight hundred seventy-six thousand, seven hundred eighty-eight".

Divisors: 1 2 4 17 31 34 62 68 124 527 1054 2108 24754211 49508422 99016844 420821587 767380541 841643174 1534761082 1683286348 3069522164 13045469197 26090938394 52181876788