Search a number
-
+
30808582408 = 2361472313367
BaseRepresentation
bin11100101100010101…
…011010100100001000
32221112002210010220201
4130230111122210020
51001043444114113
622053034501544
72140315425652
oct345425324410
987462703821
1030808582408
111207a706a5a
125b798948b4
132b9ca61526
1416c39a96d2
15c04ae8cdd
hex72c55a908

30808582408 has 32 divisors (see below), whose sum is σ = 58729901760. Its totient is φ = 15147420480.

The previous prime is 30808582381. The next prime is 30808582411. The reversal of 30808582408 is 80428580803.

It is a happy 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, 2298141 + ... + 2311507.

It is an arithmetic number, because the mean of its divisors is an integer number (1835309430).

Almost surely, 230808582408 is an apocalyptic number.

It is an amenable number.

30808582408 is a deficient number, since it is larger than the sum of its proper divisors (27921319352).

30808582408 is a wasteful number, since it uses less digits than its factorization.

30808582408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18157 (or 18153 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 46.

The spelling of 30808582408 in words is "thirty billion, eight hundred eight million, five hundred eighty-two thousand, four hundred eight".

Divisors: 1 2 4 8 61 122 244 488 4723 9446 13367 18892 26734 37784 53468 106936 288103 576206 815387 1152412 1630774 2304824 3261548 6523096 63132341 126264682 252529364 505058728 3851072801 7702145602 15404291204 30808582408