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15055314512 = 2471738920327
BaseRepresentation
bin11100000010101110…
…11101111001010000
31102212020020012221012
432001113131321100
5221313130031022
610525531350052
71042041030140
oct160127357120
942766205835
1015055314512
116426372697
122b01bb2328
13155c145434
14a2b702920
155d1addde2
hex3815dde50

15055314512 has 80 divisors (see below), whose sum is σ = 35390234880. Its totient is φ = 6056822784.

The previous prime is 15055314509. The next prime is 15055314581. The reversal of 15055314512 is 21541355051.

15055314512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730493 + ... + 750819.

It is an arithmetic number, because the mean of its divisors is an integer number (442377936).

Almost surely, 215055314512 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 15055314512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17695117440).

15055314512 is an abundant number, since it is smaller than the sum of its proper divisors (20334920368).

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

15055314512 is a wasteful number, since it uses less digits than its factorization.

15055314512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20748 (or 20742 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

Adding to 15055314512 its reverse (21541355051), we get a palindrome (36596669563).

The spelling of 15055314512 in words is "fifteen billion, fifty-five million, three hundred fourteen thousand, five hundred twelve".

Divisors: 1 2 4 7 8 14 16 17 28 34 56 68 112 119 136 238 272 389 476 778 952 1556 1904 2723 3112 5446 6224 6613 10892 13226 20327 21784 26452 40654 43568 46291 52904 81308 92582 105808 142289 162616 185164 284578 325232 345559 370328 569156 691118 740656 1138312 1382236 2276624 2418913 2764472 4837826 5528944 7907203 9675652 15814406 19351304 31628812 38702608 55350421 63257624 110700842 126515248 134422451 221401684 268844902 442803368 537689804 885606736 940957157 1075379608 1881914314 2150759216 3763828628 7527657256 15055314512