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13254402552 = 2333752128649
BaseRepresentation
bin11000101100000011…
…00010000111111000
31021012201111102011020
430112001202013320
5204121111340202
610031115502440
7646312364016
oct142601420770
937181442136
1013254402552
1156918458a6
12269aa57a20
131332cc6261
148da46d8b6
155289555bc
hex3160621f8

13254402552 has 64 divisors (see below), whose sum is σ = 34098084000. Its totient is φ = 4290324480.

The previous prime is 13254402509. The next prime is 13254402647. The reversal of 13254402552 is 25520445231.

It is a happy number.

It is a super-2 number, since 2×132544025522 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 448324 + ... + 476972.

Almost surely, 213254402552 is an apocalyptic number.

13254402552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13254402552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17049042000).

13254402552 is an abundant number, since it is smaller than the sum of its proper divisors (20843681448).

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

13254402552 is a wasteful number, since it uses less digits than its factorization.

13254402552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29216 (or 29212 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 13254402552 its reverse (25520445231), we get a palindrome (38774847783).

The spelling of 13254402552 in words is "thirteen billion, two hundred fifty-four million, four hundred two thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 444 521 888 1042 1563 2084 3126 4168 6252 12504 19277 28649 38554 57298 57831 77108 85947 114596 115662 154216 171894 229192 231324 343788 462648 687576 1060013 2120026 3180039 4240052 6360078 8480104 12720156 14926129 25440312 29852258 44778387 59704516 89556774 119409032 179113548 358227096 552266773 1104533546 1656800319 2209067092 3313600638 4418134184 6627201276 13254402552