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16457012735 = 5191031168023
BaseRepresentation
bin11110101001110101…
…00001010111111111
31120110220202212102012
433110322201113333
5232200443401420
611321002521435
71121551204652
oct172472412777
946426685365
1016457012735
116a85611279
12323350627b
131723669b77
14b21937899
15664bbbdc5
hex3d4ea15ff

16457012735 has 16 divisors (see below), whose sum is σ = 20808092160. Its totient is φ = 12460511520.

The previous prime is 16457012717. The next prime is 16457012777. The reversal of 16457012735 is 53721075461.

It is not a de Polignac number, because 16457012735 - 230 = 15383270911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16457012692 and 16457012701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13934 + ... + 181956.

It is an arithmetic number, because the mean of its divisors is an integer number (1300505760).

Almost surely, 216457012735 is an apocalyptic number.

16457012735 is a deficient number, since it is larger than the sum of its proper divisors (4351079425).

16457012735 is a wasteful number, since it uses less digits than its factorization.

16457012735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169078.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 16457012735 in words is "sixteen billion, four hundred fifty-seven million, twelve thousand, seven hundred thirty-five".

Divisors: 1 5 19 95 1031 5155 19589 97945 168023 840115 3192437 15962185 173231713 866158565 3291402547 16457012735