Search a number
-
+
86980979252 = 22199337324251
BaseRepresentation
bin101000100000001111…
…0000110101000110100
322022111212001120020002
41101000132012220310
52411114112314002
6103543012130432
76166320060536
oct1210036065064
9268455046202
1086980979252
113398554a122
1214a35906a18
13828250b27b
1442d1d83856
1523e12cc002
hex1440786a34

86980979252 has 24 divisors (see below), whose sum is σ = 153436046400. Its totient is φ = 43143408000.

The previous prime is 86980979237. The next prime is 86980979269. The reversal of 86980979252 is 25297908968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106127 + ... + 430377.

It is an arithmetic number, because the mean of its divisors is an integer number (6393168600).

Almost surely, 286980979252 is an apocalyptic number.

It is an amenable number.

86980979252 is a deficient number, since it is larger than the sum of its proper divisors (66455067148).

86980979252 is a wasteful number, since it uses less digits than its factorization.

86980979252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324791 (or 324789 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 65.

The spelling of 86980979252 in words is "eighty-six billion, nine hundred eighty million, nine hundred seventy-nine thousand, two hundred fifty-two".

Divisors: 1 2 4 199 337 398 674 796 1348 67063 134126 268252 324251 648502 1297004 64525949 109272587 129051898 218545174 258103796 437090348 21745244813 43490489626 86980979252