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13540153020 = 2235225669217
BaseRepresentation
bin11001001110000111…
…00101011010111100
31021221122012001002220
430213003211122330
5210212234344040
610115324245340
7656352254532
oct144703453274
937848161086
1013540153020
115819077409
12275a6a0850
13137a275184
149263b4152
15543a9c2d0
hex3270e56bc

13540153020 has 24 divisors (see below), whose sum is σ = 37912428624. Its totient is φ = 3610707456.

The previous prime is 13540153001. The next prime is 13540153049. The reversal of 13540153020 is 2035104531.

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, 112834549 + ... + 112834668.

It is an arithmetic number, because the mean of its divisors is an integer number (1579684526).

Almost surely, 213540153020 is an apocalyptic number.

13540153020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13540153020 is an abundant number, since it is smaller than the sum of its proper divisors (24372275604).

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

13540153020 is a wasteful number, since it uses less digits than its factorization.

13540153020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225669229 (or 225669227 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 13540153020 its reverse (2035104531), we get a palindrome (15575257551).

The spelling of 13540153020 in words is "thirteen billion, five hundred forty million, one hundred fifty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 225669217 451338434 677007651 902676868 1128346085 1354015302 2256692170 2708030604 3385038255 4513384340 6770076510 13540153020