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16725280812 = 2231393773401
BaseRepresentation
bin11111001001110011…
…11000100000101100
31121011121120022000220
433210321320200230
5233223132441222
611403344451340
71131316353432
oct174471704054
947147508026
1016725280812
117102a92029
1232a9319b50
131767107586
14b4940ad52
1567d50db5c
hex3e4e7882c

16725280812 has 12 divisors (see below), whose sum is σ = 39025655256. Its totient is φ = 5575093600.

The previous prime is 16725280709. The next prime is 16725280849. The reversal of 16725280812 is 21808252761.

16725280812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696886689 + ... + 696886712.

It is an arithmetic number, because the mean of its divisors is an integer number (3252137938).

Almost surely, 216725280812 is an apocalyptic number.

16725280812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16725280812 is an abundant number, since it is smaller than the sum of its proper divisors (22300374444).

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

16725280812 is a wasteful number, since it uses less digits than its factorization.

16725280812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393773408 (or 1393773406 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 16725280812 in words is "sixteen billion, seven hundred twenty-five million, two hundred eighty thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 1393773401 2787546802 4181320203 5575093604 8362640406 16725280812