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16225228902 = 2322319016379
BaseRepresentation
bin11110001110001100…
…10101100001100110
31112212202122000202210
433013012111201212
5231212124311102
611242002544250
71113035112231
oct170706254146
945782560683
1016225228902
11697679a693
123189968086
1316b763497c
14adcc40418
1564e68536c
hex3c7195866

16225228902 has 32 divisors (see below), whose sum is σ = 32618234880. Its totient is φ = 5380480800.

The previous prime is 16225228891. The next prime is 16225228907. The reversal of 16225228902 is 20982252261.

16225228902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×162252289022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16225228907) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2540349 + ... + 2546727.

It is an arithmetic number, because the mean of its divisors is an integer number (1019319840).

Almost surely, 216225228902 is an apocalyptic number.

16225228902 is an abundant number, since it is smaller than the sum of its proper divisors (16393005978).

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

16225228902 is a wasteful number, since it uses less digits than its factorization.

16225228902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8508.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 16225228902 in words is "sixteen billion, two hundred twenty-five million, two hundred twenty-eight thousand, nine hundred two".

Divisors: 1 2 3 6 223 446 669 1338 1901 3802 5703 6379 11406 12758 19137 38274 423923 847846 1271769 1422517 2543538 2845034 4267551 8535102 12126479 24252958 36379437 72758874 2704204817 5408409634 8112614451 16225228902