Search a number
-
+
30813574304 = 258928338231
BaseRepresentation
bin11100101100101000…
…011101010010100000
32221112110011202111202
4130230220131102200
51001101233334204
622053333500332
72140406026412
oct345450352240
987473152452
1030813574304
1112082506497
125b7b4a16a8
132ba0abb706
1416c45089b2
15c05282e1e
hex72ca1d4a0

30813574304 has 48 divisors (see below), whose sum is σ = 61564224960. Its totient is φ = 15179450880.

The previous prime is 30813574301. The next prime is 30813574321. The reversal of 30813574304 is 40347531803.

It is a super-3 number, since 3×308135743043 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (30813574301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786869 + ... + 825099.

It is an arithmetic number, because the mean of its divisors is an integer number (1282588020).

Almost surely, 230813574304 is an apocalyptic number.

It is an amenable number.

30813574304 is a deficient number, since it is larger than the sum of its proper divisors (30750650656).

30813574304 is a wasteful number, since it uses less digits than its factorization.

30813574304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38613 (or 38605 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 30813574304 in words is "thirty billion, eight hundred thirteen million, five hundred seventy-four thousand, three hundred four".

Divisors: 1 2 4 8 16 32 89 178 283 356 566 712 1132 1424 2264 2848 4528 9056 25187 38231 50374 76462 100748 152924 201496 305848 402992 611696 805984 1223392 3402559 6805118 10819373 13610236 21638746 27220472 43277492 54440944 86554984 108881888 173109968 346219936 962924197 1925848394 3851696788 7703393576 15406787152 30813574304