Search a number
-
+
30015156408 = 2332295461273
BaseRepresentation
bin11011111101000010…
…101111000010111000
32212110210210221001120
4123331002233002320
5442432340001113
621442212545240
72111542422426
oct337502570270
985423727046
1030015156408
1111802856296
125998022220
132aa45709a3
14164a472116
15baa11ea23
hex6fd0af0b8

30015156408 has 32 divisors (see below), whose sum is σ = 75365581200. Its totient is φ = 9961360128.

The previous prime is 30015156371. The next prime is 30015156419. The reversal of 30015156408 is 80465151003.

It is a super-2 number, since 2×300151564082 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2725141 + ... + 2736132.

Almost surely, 230015156408 is an apocalyptic number.

It is an amenable number.

30015156408 is an abundant number, since it is smaller than the sum of its proper divisors (45350424792).

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

30015156408 is a wasteful number, since it uses less digits than its factorization.

30015156408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5461511 (or 5461507 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 30015156408 in words is "thirty billion, fifteen million, one hundred fifty-six thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 12 24 229 458 687 916 1374 1832 2748 5496 5461273 10922546 16383819 21845092 32767638 43690184 65535276 131070552 1250631517 2501263034 3751894551 5002526068 7503789102 10005052136 15007578204 30015156408