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16936468945 = 5112313388513
BaseRepresentation
bin11111100010111111…
…00000000111010001
31121201022221202200121
433301133200013101
5234141214001240
611440331150241
71136462416324
oct176137400721
947638852617
1016936468945
117201216880
123347ba5381
13179baab176
14b694a27bb
15691d2804a
hex3f17e01d1

16936468945 has 16 divisors (see below), whose sum is σ = 23135352192. Its totient is φ = 11781890560.

The previous prime is 16936468931. The next prime is 16936468949. The reversal of 16936468945 is 54986463961.

It is not a de Polignac number, because 16936468945 - 27 = 16936468817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16936468949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6692992 + ... + 6695521.

It is an arithmetic number, because the mean of its divisors is an integer number (1445959512).

Almost surely, 216936468945 is an apocalyptic number.

It is an amenable number.

16936468945 is a deficient number, since it is larger than the sum of its proper divisors (6198883247).

16936468945 is a wasteful number, since it uses less digits than its factorization.

16936468945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13388552.

The product of its digits is 33592320, while the sum is 61.

The spelling of 16936468945 in words is "sixteen billion, nine hundred thirty-six million, four hundred sixty-eight thousand, nine hundred forty-five".

Divisors: 1 5 11 23 55 115 253 1265 13388513 66942565 147273643 307935799 736368215 1539678995 3387293789 16936468945