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13299089040 = 2432518470957
BaseRepresentation
bin11000110001010111…
…11111111010010000
31021022211120201111100
430120223333322100
5204214031322130
610035353344400
7650364251226
oct143053777220
937284521440
1013299089040
115704a97486
1226b1a08100
13133c340c73
14902382b16
1552c830c60
hex318affe90

13299089040 has 60 divisors (see below), whose sum is σ = 44662776444. Its totient is φ = 3546423552.

The previous prime is 13299089009. The next prime is 13299089057. The reversal of 13299089040 is 4098099231.

It can be written as a sum of positive squares in 2 ways, for example, as 4591959696 + 8707129344 = 67764^2 + 93312^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9234759 + ... + 9236198.

Almost surely, 213299089040 is an apocalyptic number.

13299089040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13299089040 is an abundant number, since it is smaller than the sum of its proper divisors (31363687404).

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

13299089040 is a wasteful number, since it uses less digits than its factorization.

13299089040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18470976 (or 18470967 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 13299089040 in words is "thirteen billion, two hundred ninety-nine million, eighty-nine thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 18470957 36941914 55412871 73883828 92354785 110825742 147767656 166238613 184709570 221651484 277064355 295535312 332477226 369419140 443302968 554128710 664954452 738838280 831193065 886605936 1108257420 1329908904 1477676560 1662386130 2216514840 2659817808 3324772260 4433029680 6649544520 13299089040