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15245040102 = 2329139962627
BaseRepresentation
bin11100011001010110…
…01101100111100110
31110100110020021111220
432030223031213212
5222210212240402
611000430041210
71046533463025
oct161453154746
943313207456
1015245040102
1165134782a6
122b55649206
13158c542cb6
14a489ac8bc
155e35b8dbc
hex38cacd9e6

15245040102 has 32 divisors (see below), whose sum is σ = 31564512000. Its totient is φ = 4902864288.

The previous prime is 15245040043. The next prime is 15245040103. The reversal of 15245040102 is 20104054251.

It is a super-2 number, since 2×152450401022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15245040103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212113 + ... + 274739.

It is an arithmetic number, because the mean of its divisors is an integer number (986391000).

Almost surely, 215245040102 is an apocalyptic number.

15245040102 is an abundant number, since it is smaller than the sum of its proper divisors (16319471898).

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

15245040102 is a wasteful number, since it uses less digits than its factorization.

15245040102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64060.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 15245040102 its reverse (20104054251), we get a palindrome (35349094353).

The spelling of 15245040102 in words is "fifteen billion, two hundred forty-five million, forty thousand, one hundred two".

Divisors: 1 2 3 6 29 58 87 174 1399 2798 4197 8394 40571 62627 81142 121713 125254 187881 243426 375762 1816183 3632366 5448549 10897098 87615173 175230346 262845519 525691038 2540840017 5081680034 7622520051 15245040102