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30620504432312 = 2379122939422429
BaseRepresentation
bin1101111011001011001000…
…10010100001111010111000
311000102021212121020220021022
412331211210102201322320
513003141243113313222
6145042510542402012
76310154434135244
oct675454422417270
9130367777226238
1030620504432312
1198360a0528083
123526560b90308
13141166911ba32
1477c07c903424
15381799d04042
hex1bd9644a1eb8

30620504432312 has 32 divisors (see below), whose sum is σ = 58187506680000. Its totient is φ = 15104151374208.

The previous prime is 30620504432237. The next prime is 30620504432321. The reversal of 30620504432312 is 21323440502603.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18934487 + ... + 20487942.

It is an arithmetic number, because the mean of its divisors is an integer number (1818359583750).

Almost surely, 230620504432312 is an apocalyptic number.

It is an amenable number.

30620504432312 is a deficient number, since it is larger than the sum of its proper divisors (27567002247688).

30620504432312 is a wasteful number, since it uses less digits than its factorization.

30620504432312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39423743 (or 39423739 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 30620504432312 its reverse (21323440502603), we get a palindrome (51943944934915).

The spelling of 30620504432312 in words is "thirty trillion, six hundred twenty billion, five hundred four million, four hundred thirty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 79 158 316 632 1229 2458 4916 9832 97091 194182 388364 776728 39422429 78844858 157689716 315379432 3114371891 6228743782 12457487564 24914975128 48450165241 96900330482 193800660964 387601321928 3827563054039 7655126108078 15310252216156 30620504432312