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15071202112 = 265316212741
BaseRepresentation
bin11100000100101000…
…00100101101000000
31102220100010101121211
432002110010231000
5221331211431422
610531300055504
71042323050521
oct160224045500
942810111554
1015071202112
11643433423a
122b07394594
131562518a95
14a2d87a848
155d31cb577
hex382504b40

15071202112 has 56 divisors (see below), whose sum is σ = 30501119592. Its totient is φ = 7386163200.

The previous prime is 15071202103. The next prime is 15071202131. The reversal of 15071202112 is 21120217051.

It can be written as a sum of positive squares in 4 ways, for example, as 4032758016 + 11038444096 = 63504^2 + 105064^2 .

It is a super-2 number, since 2×150712021122 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5497062 + ... + 5499802.

Almost surely, 215071202112 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 15071202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15250559796).

15071202112 is an abundant number, since it is smaller than the sum of its proper divisors (15429917480).

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

15071202112 is a wasteful number, since it uses less digits than its factorization.

15071202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427 (or 4417 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 22.

Adding to 15071202112 its reverse (21120217051), we get a palindrome (36191419163).

The spelling of 15071202112 in words is "fifteen billion, seventy-one million, two hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 53 64 106 212 424 848 1621 1696 2741 3242 3392 5482 6484 10964 12968 21928 25936 43856 51872 85913 87712 103744 145273 171826 175424 290546 343652 581092 687304 1162184 1374608 2324368 2749216 4443161 4648736 5498432 8886322 9297472 17772644 35545288 71090576 142181152 235487533 284362304 470975066 941950132 1883900264 3767800528 7535601056 15071202112