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13531103152 = 2471912812251
BaseRepresentation
bin11001001101000010…
…00011111110110000
31021221000011021000121
430212201003332300
5210202430300102
610114402300024
7656212323220
oct144641037660
937830137017
1013531103152
115813a56086
122757657614
131378426c18
149250da080
15542db0b37
hex326843fb0

13531103152 has 80 divisors (see below), whose sum is σ = 30239207424. Its totient is φ = 5745600000.

The previous prime is 13531103087. The next prime is 13531103171. The reversal of 13531103152 is 25130113531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6010027 + ... + 6012277.

Almost surely, 213531103152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13531103152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15119603712).

13531103152 is an abundant number, since it is smaller than the sum of its proper divisors (16708104272).

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

13531103152 is a wasteful number, since it uses less digits than its factorization.

13531103152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738 (or 2732 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 13531103152 its reverse (25130113531), we get a palindrome (38661216683).

The spelling of 13531103152 in words is "thirteen billion, five hundred thirty-one million, one hundred three thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 191 281 382 562 764 1124 1337 1528 1967 2248 2251 2674 3056 3934 4496 4502 5348 7868 9004 10696 15736 15757 18008 21392 31472 31514 36016 53671 63028 107342 126056 214684 252112 375697 429368 429941 632531 751394 858736 859882 1265062 1502788 1719764 2530124 3005576 3009587 3439528 4427717 5060248 6011152 6019174 6879056 8855434 10120496 12038348 17710868 24076696 35421736 48153392 70843472 120813421 241626842 483253684 845693947 966507368 1691387894 1933014736 3382775788 6765551576 13531103152