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16279070652 = 22321334784339
BaseRepresentation
bin11110010100100111…
…01110011110111100
31120000111221110202200
433022103232132330
5231314420230102
611251204551500
71114260550245
oct171223563674
946014843680
1016279070652
1169a41247a9
1231a39b2590
1316c58368b0
14b06057ccc
1565426d51c
hex3ca4ee7bc

16279070652 has 36 divisors (see below), whose sum is σ = 44315249160. Its totient is φ = 5008944672.

The previous prime is 16279070593. The next prime is 16279070653. The reversal of 16279070652 is 25607097261.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 16279070598 and 16279070607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16279070653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17391702 + ... + 17392637.

Almost surely, 216279070652 is an apocalyptic number.

16279070652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16279070652 is an abundant number, since it is smaller than the sum of its proper divisors (28036178508).

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

16279070652 is a wasteful number, since it uses less digits than its factorization.

16279070652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34784362 (or 34784357 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 16279070652 in words is "sixteen billion, two hundred seventy-nine million, seventy thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 34784339 69568678 104353017 139137356 208706034 313059051 417412068 452196407 626118102 904392814 1252236204 1356589221 1808785628 2713178442 4069767663 5426356884 8139535326 16279070652