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13132409760 = 253259119729
BaseRepresentation
bin11000011101100000…
…01010101110100000
31020220012221112111200
430032300022232200
5203343344103020
610011041041200
7643301432631
oct141660125640
936805845450
1013132409760
1156299a2908
122666026200
131313952282
148c8195888
1551cda9590
hex30ec0aba0

13132409760 has 72 divisors (see below), whose sum is σ = 44814353220. Its totient is φ = 3501975552.

The previous prime is 13132409749. The next prime is 13132409761. The reversal of 13132409760 is 6790423131.

It can be written as a sum of positive squares in 2 ways, for example, as 12993264144 + 139145616 = 113988^2 + 11796^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×131324097602 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13132409761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4558425 + ... + 4561304.

Almost surely, 213132409760 is an apocalyptic number.

13132409760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13132409760 is an abundant number, since it is smaller than the sum of its proper divisors (31681943460).

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

13132409760 is a wasteful number, since it uses less digits than its factorization.

13132409760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9119750 (or 9119739 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 13132409760 in words is "thirteen billion, one hundred thirty-two million, four hundred nine thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 9119729 18239458 27359187 36478916 45598645 54718374 72957832 82077561 91197290 109436748 136795935 145915664 164155122 182394580 218873496 273591870 291831328 328310244 364789160 410387805 437746992 547183740 656620488 729578320 820775610 875493984 1094367480 1313240976 1459156640 1641551220 2188734960 2626481952 3283102440 4377469920 6566204880 13132409760