Search a number
-
+
53108993788 = 223113912492467
BaseRepresentation
bin110001011101100010…
…101110111011111100
312002002020221102022221
4301131202232323330
51332231400300123
640221542015124
73560042666404
oct613542567374
9162066842287
1053108993788
1120583708104
12a3621174a4
135014bc6616
1427db5c9804
1515ac7b825d
hexc5d8aeefc

53108993788 has 48 divisors (see below), whose sum is σ = 96745600000. Its totient is φ = 25482263040.

The previous prime is 53108993779. The next prime is 53108993827. The reversal of 53108993788 is 88739980135.

It is a super-3 number, since 3×531089937883 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21526531 + ... + 21528997.

Almost surely, 253108993788 is an apocalyptic number.

It is an amenable number.

53108993788 is a deficient number, since it is larger than the sum of its proper divisors (43636606212).

53108993788 is a wasteful number, since it uses less digits than its factorization.

53108993788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890 (or 3888 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 61.

The spelling of 53108993788 in words is "fifty-three billion, one hundred eight million, nine hundred ninety-three thousand, seven hundred eighty-eight".

Divisors: 1 2 4 31 62 124 139 278 556 1249 2467 2498 4309 4934 4996 8618 9868 17236 38719 76477 77438 152954 154876 173611 305908 342913 347222 685826 694444 1371652 3081283 5381941 6162566 10630303 10763882 12325132 21260606 21527764 42521212 95519773 191039546 382079092 428298337 856596674 1713193348 13277248447 26554496894 53108993788