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13052015544 = 2331427381103
BaseRepresentation
bin11000010011111010…
…11111001110111000
31020200121200002101010
430021331133032320
5203212303444134
65555045553520
7641304205311
oct141175371670
936617602333
1013052015544
115598582507
1226431158a0
1313000b4629
148bb629608
15515cc8ce9
hex309f5f3b8

13052015544 has 32 divisors (see below), whose sum is σ = 32652990720. Its totient is φ = 4347611616.

The previous prime is 13052015531. The next prime is 13052015567. The reversal of 13052015544 is 44551025031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156304 + ... + 224799.

It is an arithmetic number, because the mean of its divisors is an integer number (1020405960).

Almost surely, 213052015544 is an apocalyptic number.

It is an amenable number.

13052015544 is an abundant number, since it is smaller than the sum of its proper divisors (19600975176).

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

13052015544 is a wasteful number, since it uses less digits than its factorization.

13052015544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382539 (or 382535 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 13052015544 in words is "thirteen billion, fifty-two million, fifteen thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 1427 2854 4281 5708 8562 11416 17124 34248 381103 762206 1143309 1524412 2286618 3048824 4573236 9146472 543833981 1087667962 1631501943 2175335924 3263003886 4350671848 6526007772 13052015544