Search a number
-
+
86947475900 = 22521201723959
BaseRepresentation
bin101000011111001111…
…0010011000110111100
322022102112000102021012
41100332132103012330
52411032023212100
6103535414054352
76165432231245
oct1207636230674
9268375012235
1086947475900
11339686465aa
1214a2664a3b8
1382785aa7bc
1442cb741ccc
1523dd3b0135
hex143e7931bc

86947475900 has 36 divisors (see below), whose sum is σ = 188833382640. Its totient is φ = 34749984000.

The previous prime is 86947475887. The next prime is 86947475911. The reversal of 86947475900 is 957474968.

It is a self number, because there is not a number n which added to its sum of digits gives 86947475900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241880 + ... + 482079.

It is an arithmetic number, because the mean of its divisors is an integer number (5245371740).

Almost surely, 286947475900 is an apocalyptic number.

It is an amenable number.

86947475900 is an abundant number, since it is smaller than the sum of its proper divisors (101885906740).

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

86947475900 is a wasteful number, since it uses less digits than its factorization.

86947475900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725174 (or 725167 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 86947475900 in words is "eighty-six billion, nine hundred forty-seven million, four hundred seventy-five thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1201 2402 4804 6005 12010 24020 30025 60050 120100 723959 1447918 2895836 3619795 7239590 14479180 18098975 36197950 72395900 869474759 1738949518 3477899036 4347373795 8694747590 17389495180 21736868975 43473737950 86947475900