Search a number
-
+
31404600552 = 23313197510943
BaseRepresentation
bin11101001111110111…
…000010110011101000
310000001122022000002210
4131033313002303220
51003304034204202
622232125325120
72161143462123
oct351767026350
9100048260083
1031404600552
1112356095236
1261054067a0
132c663948a0
14173cbd73ba
15c3c0cbc6c
hex74fdc2ce8

31404600552 has 64 divisors (see below), whose sum is σ = 84980206080. Its totient is φ = 9613884672.

The previous prime is 31404600551. The next prime is 31404600611. The reversal of 31404600552 is 25500640413.

It is not an unprimeable number, because it can be changed into a prime (31404600551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194008 + ... + 316935.

It is an arithmetic number, because the mean of its divisors is an integer number (1327815720).

Almost surely, 231404600552 is an apocalyptic number.

It is an amenable number.

31404600552 is an abundant number, since it is smaller than the sum of its proper divisors (53575605528).

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

31404600552 is a wasteful number, since it uses less digits than its factorization.

31404600552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511162 (or 511158 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 31404600552 in words is "thirty-one billion, four hundred four million, six hundred thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 197 312 394 591 788 1182 1576 2364 2561 4728 5122 7683 10244 15366 20488 30732 61464 510943 1021886 1532829 2043772 3065658 4087544 6131316 6642259 12262632 13284518 19926777 26569036 39853554 53138072 79707108 100655771 159414216 201311542 301967313 402623084 603934626 805246168 1207869252 1308525023 2415738504 2617050046 3925575069 5234100092 7851150138 10468200184 15702300276 31404600552