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1368297152 = 26434211181
BaseRepresentation
bin101000110001110…
…1000111011000000
310112100200200211022
41101203220323000
510300241002102
6343435205012
745623222345
oct12143507300
93470620738
101368297152
116424059a2
123222a6768
1318a62b6b1
14cda1c7cc
15801d15a2
hex518e8ec0

1368297152 has 56 divisors (see below), whose sum is σ = 2787316752. Its totient is φ = 666086400.

The previous prime is 1368297107. The next prime is 1368297167. The reversal of 1368297152 is 2517928631.

It is a super-2 number, since 2×13682971522 = 3744474192342622208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158002 + ... + 1159182.

Almost surely, 21368297152 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 1368297152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1393658376).

1368297152 is an abundant number, since it is smaller than the sum of its proper divisors (1419019600).

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

1368297152 is a wasteful number, since it uses less digits than its factorization.

1368297152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657 (or 1647 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 1368297152 is about 36990.5008346738. The cubic root of 1368297152 is about 1110.1801920493.

The spelling of 1368297152 in words is "one billion, three hundred sixty-eight million, two hundred ninety-seven thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 32 43 64 86 172 344 421 688 842 1181 1376 1684 2362 2752 3368 4724 6736 9448 13472 18103 18896 26944 36206 37792 50783 72412 75584 101566 144824 203132 289648 406264 497201 579296 812528 994402 1158592 1625056 1988804 3250112 3977608 7955216 15910432 21379643 31820864 42759286 85518572 171037144 342074288 684148576 1368297152