Search a number
-
+
50869779636 = 223133119104549
BaseRepresentation
bin101111011000000100…
…110011110010110100
311212022012110112222110
4233120010303302310
51313140130422021
635211431531020
73450412664304
oct573004636264
9155265415873
1050869779636
111a6347343a5
129a38229a70
134a49015030
142668061604
1514cae02476
hexbd8133cb4

50869779636 has 48 divisors (see below), whose sum is σ = 127868832000. Its totient is φ = 15647071872.

The previous prime is 50869779617. The next prime is 50869779679. The reversal of 50869779636 is 63697796805.

50869779636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 434290 + ... + 538838.

It is an arithmetic number, because the mean of its divisors is an integer number (2663934000).

Almost surely, 250869779636 is an apocalyptic number.

It is an amenable number.

50869779636 is an abundant number, since it is smaller than the sum of its proper divisors (76999052364).

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

50869779636 is a wasteful number, since it uses less digits than its factorization.

50869779636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107688 (or 107686 counting only the distinct ones).

The product of its (nonzero) digits is 102876480, while the sum is 66.

The spelling of 50869779636 in words is "fifty billion, eight hundred sixty-nine million, seven hundred seventy-nine thousand, six hundred thirty-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 3119 6238 9357 12476 18714 37428 40547 81094 104549 121641 162188 209098 243282 313647 418196 486564 627294 1254588 1359137 2718274 4077411 5436548 8154822 16309644 326088331 652176662 978264993 1304353324 1956529986 3913059972 4239148303 8478296606 12717444909 16956593212 25434889818 50869779636