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13542489530 = 252393565921
BaseRepresentation
bin11001001110011000…
…11111110110111010
31021221210120202012022
430213030133312322
5210213334131110
610115450314442
7656411155523
oct144714376672
937853522168
1013542489530
11581a422909
12275b428a22
13137a8b281b
1492682184a
15543dae755
hex32731fdba

13542489530 has 16 divisors (see below), whose sum is σ = 24386710824. Its totient is φ = 5414722560.

The previous prime is 13542489497. The next prime is 13542489551. The reversal of 13542489530 is 3598424531.

It can be written as a sum of positive squares in 4 ways, for example, as 5340832561 + 8201656969 = 73081^2 + 90563^2 .

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, 259031 + ... + 306890.

Almost surely, 213542489530 is an apocalyptic number.

13542489530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13542489530 is a deficient number, since it is larger than the sum of its proper divisors (10844221294).

13542489530 is a wasteful number, since it uses less digits than its factorization.

13542489530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568321.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 13542489530 in words is "thirteen billion, five hundred forty-two million, four hundred eighty-nine thousand, five hundred thirty".

Divisors: 1 2 5 10 2393 4786 11965 23930 565921 1131842 2829605 5659210 1354248953 2708497906 6771244765 13542489530