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15230211252 = 2231753724007
BaseRepresentation
bin11100010111100101…
…01001010010110100
31110022102022220011020
432023302221102310
5222142413230002
610555140141140
71046263442154
oct161362512264
943272286136
1015230211252
11650606a153
122b506977b0
131589450529
14a46a2c764
155e213a2bc
hex38bca94b4

15230211252 has 24 divisors (see below), whose sum is σ = 35557480896. Its totient is φ = 5073834048.

The previous prime is 15230211229. The next prime is 15230211299. The reversal of 15230211252 is 25211203251.

15230211252 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 7 ways as a sum of consecutive naturals, for example, 340968 + ... + 383039.

It is an arithmetic number, because the mean of its divisors is an integer number (1481561704).

Almost surely, 215230211252 is an apocalyptic number.

15230211252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15230211252 is an abundant number, since it is smaller than the sum of its proper divisors (20327269644).

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

15230211252 is a wasteful number, since it uses less digits than its factorization.

15230211252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725767 (or 725765 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 15230211252 in words is "fifteen billion, two hundred thirty million, two hundred eleven thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 1753 3506 5259 7012 10518 21036 724007 1448014 2172021 2896028 4344042 8688084 1269184271 2538368542 3807552813 5076737084 7615105626 15230211252