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19413030212 = 2247734914051
BaseRepresentation
bin10010000101000110…
…110101010101000100
31212002221001010001222
4102011012311111010
5304224213431322
612530200335512
71255034014502
oct220506652504
955087033058
1019413030212
118262170a24
123919474598
131aa4bc1c34
14d22371672
15789473e42
hex4851b5544

19413030212 has 24 divisors (see below), whose sum is σ = 34702819200. Its totient is φ = 9498024800.

The previous prime is 19413030191. The next prime is 19413030271. The reversal of 19413030212 is 21203031491.

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, 1374587 + ... + 1388637.

It is an arithmetic number, because the mean of its divisors is an integer number (1445950800).

Almost surely, 219413030212 is an apocalyptic number.

It is an amenable number.

19413030212 is a deficient number, since it is larger than the sum of its proper divisors (15289788988).

19413030212 is a wasteful number, since it uses less digits than its factorization.

19413030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21451 (or 21449 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 19413030212 in words is "nineteen billion, four hundred thirteen million, thirty thousand, two hundred twelve".

Divisors: 1 2 4 47 94 188 7349 14051 14698 28102 29396 56204 345403 660397 690806 1320794 1381612 2641588 103260799 206521598 413043196 4853257553 9706515106 19413030212