Search a number
-
+
71153970924 = 22397401152441
BaseRepresentation
bin100001001000100011…
…0110110111011101100
320210122211202020101110
41002101012312323230
52131210404032144
652404312312020
75066155526241
oct1022106667354
9223584666343
1071153970924
11281a361a553
12119593a2610
13692c543c9a
14362dda35c8
151cb6aa80b9
hex10911b6eec

71153970924 has 48 divisors (see below), whose sum is σ = 168156940896. Its totient is φ = 23414784000.

The previous prime is 71153970859. The next prime is 71153970931. The reversal of 71153970924 is 42907935117.

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, 390544 + ... + 542984.

It is an arithmetic number, because the mean of its divisors is an integer number (3503269602).

Almost surely, 271153970924 is an apocalyptic number.

It is an amenable number.

71153970924 is an abundant number, since it is smaller than the sum of its proper divisors (97002969972).

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

71153970924 is a wasteful number, since it uses less digits than its factorization.

71153970924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152946 (or 152944 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 48.

The spelling of 71153970924 in words is "seventy-one billion, one hundred fifty-three million, nine hundred seventy thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 12 97 194 291 388 401 582 802 1164 1203 1604 2406 4812 38897 77794 116691 152441 155588 233382 304882 457323 466764 609764 914646 1829292 14786777 29573554 44360331 59147108 61128841 88720662 122257682 177441324 183386523 244515364 366773046 733546092 5929497577 11858995154 17788492731 23717990308 35576985462 71153970924