Search a number
-
+
14831079680 = 28573915679
BaseRepresentation
bin11011101000000000…
…00101000100000000
31102021121021220120102
431310000011010000
5220333224022210
610451401301532
71033346045234
oct156400050400
942247256512
1014831079680
11632083774a
122a5aa948a8
1315248542c1
14a09a125c4
155bc098ea5
hex374005100

14831079680 has 72 divisors (see below), whose sum is σ = 35575411200. Its totient is φ = 5924026368.

The previous prime is 14831079661. The next prime is 14831079751. The reversal of 14831079680 is 8697013841.

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, 938081 + ... + 953759.

Almost surely, 214831079680 is an apocalyptic number.

14831079680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14831079680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17787705600).

14831079680 is an abundant number, since it is smaller than the sum of its proper divisors (20744331520).

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

14831079680 is an equidigital number, since it uses as much as digits as its factorization.

14831079680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16439 (or 16425 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 14831079680 in words is "fourteen billion, eight hundred thirty-one million, seventy-nine thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 739 1280 1478 2956 3695 5912 7390 11824 14780 15679 23648 29560 31358 47296 59120 62716 78395 94592 118240 125432 156790 189184 236480 250864 313580 472960 501728 627160 945920 1003456 1254320 2006912 2508640 4013824 5017280 10034560 11586781 20069120 23173562 46347124 57933905 92694248 115867810 185388496 231735620 370776992 463471240 741553984 926942480 1483107968 1853884960 2966215936 3707769920 7415539840 14831079680