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16293905108 = 2213685745697
BaseRepresentation
bin11110010110011000…
…10100001011010100
31120001112212010210222
433023030110023110
5231332214430413
611252454533512
71114530623345
oct171314241324
946045763728
1016293905108
116a01537088
1231a8967298
1316c892ba90
14b07dda0cc
156556edb08
hex3cb3142d4

16293905108 has 24 divisors (see below), whose sum is σ = 30712894632. Its totient is φ = 7519002624.

The previous prime is 16293905101. The next prime is 16293905149. The reversal of 16293905108 is 80150939261.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 815559364 + 15478345744 = 28558^2 + 124412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16293905101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333716 + ... + 379412.

It is an arithmetic number, because the mean of its divisors is an integer number (1279703943).

Almost surely, 216293905108 is an apocalyptic number.

It is an amenable number.

16293905108 is a deficient number, since it is larger than the sum of its proper divisors (14418989524).

16293905108 is a wasteful number, since it uses less digits than its factorization.

16293905108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52571 (or 52569 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 16293905108 in words is "sixteen billion, two hundred ninety-three million, nine hundred five thousand, one hundred eight".

Divisors: 1 2 4 13 26 52 6857 13714 27428 45697 89141 91394 178282 182788 356564 594061 1188122 2376244 313344329 626688658 1253377316 4073476277 8146952554 16293905108