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30555551112 = 2337916115797
BaseRepresentation
bin11100011101010000…
…001011010110001000
32220212110122211020020
4130131100023112020
51000034210113422
622011555300440
72131123620252
oct343520132610
986773584206
1030555551112
1111a5a8a2889
125b08baa720
132b5c4ca178
14169c140cd2
15bdc7b695c
hex71d40b588

30555551112 has 32 divisors (see below), whose sum is σ = 77355830400. Its totient is φ = 10056256704.

The previous prime is 30555551107. The next prime is 30555551167. The reversal of 30555551112 is 21115555503.

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, 8056003 + ... + 8059794.

It is an arithmetic number, because the mean of its divisors is an integer number (2417369700).

Almost surely, 230555551112 is an apocalyptic number.

It is an amenable number.

30555551112 is an abundant number, since it is smaller than the sum of its proper divisors (46800279288).

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

30555551112 is a wasteful number, since it uses less digits than its factorization.

30555551112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16115885 (or 16115881 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 30555551112 in words is "thirty billion, five hundred fifty-five million, five hundred fifty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 79 158 237 316 474 632 948 1896 16115797 32231594 48347391 64463188 96694782 128926376 193389564 386779128 1273147963 2546295926 3819443889 5092591852 7638887778 10185183704 15277775556 30555551112