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15245023532135 = 5154317331140233
BaseRepresentation
bin1101110111011000001000…
…1101100101010001100111
31222222102001220100110211012
43131312002031211101213
53444233302011012020
652231244522132435
73132262615641515
oct335660215452147
958872056313735
1015245023532135
11494841838a871
12186270765111b
138677a429bb17
143a9c123cd4b5
151b68586247c5
hexddd82365467

15245023532135 has 16 divisors (see below), whose sum is σ = 18316463563584. Its totient is φ = 12181071090432.

The previous prime is 15245023532129. The next prime is 15245023532197. The reversal of 15245023532135 is 53123532054251.

It is a cyclic number.

It is not a de Polignac number, because 15245023532135 - 28 = 15245023531879 is a prime.

It is a super-2 number, since 2×152450235321352 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15245023532092 and 15245023532101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12799979 + ... + 13940211.

It is an arithmetic number, because the mean of its divisors is an integer number (1144778972724).

Almost surely, 215245023532135 is an apocalyptic number.

15245023532135 is a deficient number, since it is larger than the sum of its proper divisors (3071440031449).

15245023532135 is a wasteful number, since it uses less digits than its factorization.

15245023532135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143514.

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 15245023532135 its reverse (53123532054251), we get a palindrome (68368555586386).

The spelling of 15245023532135 in words is "fifteen trillion, two hundred forty-five billion, twenty-three million, five hundred thirty-two thousand, one hundred thirty-five".

Divisors: 1 5 1543 1733 7715 8665 1140233 2674019 5701165 13370095 1759379519 1976023789 8796897595 9880118945 3049004706427 15245023532135