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30532530828 = 2237932207311
BaseRepresentation
bin11100011011111000…
…010111001010001100
32220210212100021100010
4130123320113022030
51000012311441303
622005414033220
72130424141602
oct343370271214
986725307303
1030532530828
1111a488aa358
125b01348810
132b577ca0b7
14169906b872
15bda76ac03
hex71be1728c

30532530828 has 24 divisors (see below), whose sum is σ = 72144378880. Its totient is φ = 10048680720.

The previous prime is 30532530827. The next prime is 30532530877. The reversal of 30532530828 is 82803523503.

It is not an unprimeable number, because it can be changed into a prime (30532530827) 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, 16102708 + ... + 16104603.

Almost surely, 230532530828 is an apocalyptic number.

It is an amenable number.

30532530828 is an abundant number, since it is smaller than the sum of its proper divisors (41611848052).

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

30532530828 is a wasteful number, since it uses less digits than its factorization.

30532530828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32207397 (or 32207395 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 30532530828 in words is "thirty billion, five hundred thirty-two million, five hundred thirty thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 79 158 237 316 474 948 32207311 64414622 96621933 128829244 193243866 386487732 2544377569 5088755138 7633132707 10177510276 15266265414 30532530828