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30938423192 = 2319931940443
BaseRepresentation
bin11100110100000100…
…101101111110011000
32221212011002201222122
4130310010231332120
51001330214020232
622113553440412
72143453154345
oct346404557630
987764081878
1030938423192
1112136a2a296
125bb5270108
132bc09226b1
1416d6d277cc
15c111e5312
hex73412df98

30938423192 has 16 divisors (see below), whose sum is σ = 58038680040. Its totient is φ = 15461441856.

The previous prime is 30938423183. The next prime is 30938423203. The reversal of 30938423192 is 29132483903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954278 + ... + 986165.

Almost surely, 230938423192 is an apocalyptic number.

It is an amenable number.

30938423192 is a deficient number, since it is larger than the sum of its proper divisors (27100256848).

30938423192 is a wasteful number, since it uses less digits than its factorization.

30938423192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942442 (or 1942438 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 30938423192 in words is "thirty billion, nine hundred thirty-eight million, four hundred twenty-three thousand, one hundred ninety-two".

Divisors: 1 2 4 8 1993 3986 7972 15944 1940443 3880886 7761772 15523544 3867302899 7734605798 15469211596 30938423192