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13485593870 = 257375206793
BaseRepresentation
bin11001000111100110…
…11101010100001110
31021210211112011000122
430203303131110032
5210104303000440
610110055024542
7655120441130
oct144363352416
937724464018
1013485593870
1157a02a2301
12274436b152
13136bb81858
1491d051050
1553ddc17b5
hex323cdd50e

13485593870 has 32 divisors (see below), whose sum is σ = 28491576768. Its totient is φ = 4498668288.

The previous prime is 13485593839. The next prime is 13485593897. The reversal of 13485593870 is 7839558431.

It is a super-2 number, since 2×134855938702 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2600807 + ... + 2605986.

It is an arithmetic number, because the mean of its divisors is an integer number (890361774).

Almost surely, 213485593870 is an apocalyptic number.

13485593870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13485593870 is an abundant number, since it is smaller than the sum of its proper divisors (15005982898).

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

13485593870 is a wasteful number, since it uses less digits than its factorization.

13485593870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5206844.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 13485593870 in words is "thirteen billion, four hundred eighty-five million, five hundred ninety-three thousand, eight hundred seventy".

Divisors: 1 2 5 7 10 14 35 37 70 74 185 259 370 518 1295 2590 5206793 10413586 26033965 36447551 52067930 72895102 182237755 192651341 364475510 385302682 963256705 1348559387 1926513410 2697118774 6742796935 13485593870