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16842939492 = 2231948972019
BaseRepresentation
bin11111010111110101…
…01101110001100100
31121110210221222101210
433223322231301210
5233443243030432
611423150351420
71134245423601
oct175372556144
947423858353
1016842939492
117163444805
1233207bb570
1317855c18b2
14b5acb76a8
15688a008cc
hex3ebeadc64

16842939492 has 24 divisors (see below), whose sum is σ = 39302754400. Its totient is φ = 5613947136.

The previous prime is 16842939473. The next prime is 16842939521. The reversal of 16842939492 is 29493924861.

It is a super-2 number, since 2×168429394922 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

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, 197859 + ... + 269877.

Almost surely, 216842939492 is an apocalyptic number.

16842939492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16842939492 is an abundant number, since it is smaller than the sum of its proper divisors (22459814908).

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

16842939492 is a wasteful number, since it uses less digits than its factorization.

16842939492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91515 (or 91513 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

The spelling of 16842939492 in words is "sixteen billion, eight hundred forty-two million, nine hundred thirty-nine thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 19489 38978 58467 72019 77956 116934 144038 216057 233868 288076 432114 864228 1403578291 2807156582 4210734873 5614313164 8421469746 16842939492