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30380317939212 = 22317148923127153
BaseRepresentation
bin1101110100001011110000…
…00011110001011000001100
310222120022220120222211211120
412322011320003301120030
512440222342343023322
6144340305252320540
76253622412466623
oct672057003613014
9128508816884746
1030380317939212
11975324751090a
1234a7aab013150
1313c4b0c211b77
147705b558a6ba
1537a3dd80aa5c
hex1ba1780f160c

30380317939212 has 24 divisors (see below), whose sum is σ = 75057256085616. Its totient is φ = 9531080137728.

The previous prime is 30380317939207. The next prime is 30380317939247. The reversal of 30380317939212 is 21293971308303.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 74461563373 + ... + 74461563780.

It is an arithmetic number, because the mean of its divisors is an integer number (3127385670234).

Almost surely, 230380317939212 is an apocalyptic number.

It is an amenable number.

30380317939212 is an abundant number, since it is smaller than the sum of its proper divisors (44676938146404).

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

30380317939212 is a wasteful number, since it uses less digits than its factorization.

30380317939212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148923127177 (or 148923127175 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 30380317939212 in words is "thirty trillion, three hundred eighty billion, three hundred seventeen million, nine hundred thirty-nine thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 148923127153 297846254306 446769381459 595692508612 893538762918 1787077525836 2531693161601 5063386323202 7595079484803 10126772646404 15190158969606 30380317939212