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13037160020 = 2251109587789
BaseRepresentation
bin11000010010001001…
…10100011001010100
31020122120201100102112
430021010310121110
5203200003110040
65553355330152
7641034013613
oct141104643124
936576640375
1013037160020
115590156315
12263a150958
1312c9cb2991
148b967d87a
15514842365
hex309134654

13037160020 has 24 divisors (see below), whose sum is σ = 27402769800. Its totient is φ = 5210152832.

The previous prime is 13037160013. The next prime is 13037160043. The reversal of 13037160020 is 2006173031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 706390084 + 12330769936 = 26578^2 + 111044^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271715 + ... + 316074.

It is an arithmetic number, because the mean of its divisors is an integer number (1141782075).

Almost surely, 213037160020 is an apocalyptic number.

13037160020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13037160020 is an abundant number, since it is smaller than the sum of its proper divisors (14365609780).

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

13037160020 is a wasteful number, since it uses less digits than its factorization.

13037160020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588907 (or 588905 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The spelling of 13037160020 in words is "thirteen billion, thirty-seven million, one hundred sixty thousand, twenty".

Divisors: 1 2 4 5 10 20 1109 2218 4436 5545 11090 22180 587789 1175578 2351156 2938945 5877890 11755780 651858001 1303716002 2607432004 3259290005 6518580010 13037160020