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19059136942 = 279763915791
BaseRepresentation
bin10001110000000000…
…110101100110101110
31211012021010110202211
4101300000311212232
5303013114340232
612431115241034
71243205663626
oct216000654656
954167113684
1019059136942
1180a042774a
12383aa4917a
131a497a4931
14ccb36d886
1576836ba47
hex4700359ae

19059136942 has 16 divisors (see below), whose sum is σ = 28956211200. Its totient is φ = 9407113560.

The previous prime is 19059136937. The next prime is 19059136969. The reversal of 19059136942 is 24963195091.

It is a super-2 number, since 2×190591369422 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 1199067 + ... + 1214857.

It is an arithmetic number, because the mean of its divisors is an integer number (1809763200).

Almost surely, 219059136942 is an apocalyptic number.

19059136942 is a deficient number, since it is larger than the sum of its proper divisors (9897074258).

19059136942 is a wasteful number, since it uses less digits than its factorization.

19059136942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23511.

The product of its (nonzero) digits is 524880, while the sum is 49.

The spelling of 19059136942 in words is "nineteen billion, fifty-nine million, one hundred thirty-six thousand, nine hundred forty-two".

Divisors: 1 2 79 158 7639 15278 15791 31582 603481 1206962 1247489 2494978 120627449 241254898 9529568471 19059136942