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13888828992 = 263541133711
BaseRepresentation
bin11001110111101011…
…01011011001000000
31022211221021121121210
430323311223121000
5211421020011432
610214101450120
71001115045543
oct147365533100
938757247553
1013888828992
115987977875
122837410940
13140458680c
1495a81885a
155644c38cc
hex33bd6b640

13888828992 has 56 divisors (see below), whose sum is σ = 36815727232. Its totient is φ = 4621017600.

The previous prime is 13888828991. The next prime is 13888828999. The reversal of 13888828992 is 29982888831.

It is not an unprimeable number, because it can be changed into a prime (13888828991) 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, 37017 + ... + 170727.

Almost surely, 213888828992 is an apocalyptic number.

13888828992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13888828992 is an abundant number, since it is smaller than the sum of its proper divisors (22926898240).

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

13888828992 is a wasteful number, since it uses less digits than its factorization.

13888828992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134267 (or 134257 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 66.

The spelling of 13888828992 in words is "thirteen billion, eight hundred eighty-eight million, eight hundred twenty-eight thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 541 1082 1623 2164 3246 4328 6492 8656 12984 17312 25968 34624 51936 103872 133711 267422 401133 534844 802266 1069688 1604532 2139376 3209064 4278752 6418128 8557504 12836256 25672512 72337651 144675302 217012953 289350604 434025906 578701208 868051812 1157402416 1736103624 2314804832 3472207248 4629609664 6944414496 13888828992