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103445308872 = 2333478913467
BaseRepresentation
bin110000001010111010…
…0100010010111001000
3100220000021121011112000
41200111310202113020
53143323444340442
6115304435551000
710321320421533
oct1402564422710
9326007534460
10103445308872
113a9641a8704
121806b75b460
1399a753a649
145014863a1a
152a56941d4c
hex1815d225c8

103445308872 has 32 divisors (see below), whose sum is σ = 287348080800. Its totient is φ = 34481769552.

The previous prime is 103445308871. The next prime is 103445308877. The reversal of 103445308872 is 278803544301.

103445308872 is a `hidden beast` number, since 1 + 0 + 3 + 44 + 530 + 8 + 8 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (103445308871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239456518 + ... + 239456949.

It is an arithmetic number, because the mean of its divisors is an integer number (8979627525).

Almost surely, 2103445308872 is an apocalyptic number.

103445308872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103445308872 is an abundant number, since it is smaller than the sum of its proper divisors (183902771928).

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

103445308872 is a wasteful number, since it uses less digits than its factorization.

103445308872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478913482 (or 478913472 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 103445308872 in words is "one hundred three billion, four hundred forty-five million, three hundred eight thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 478913467 957826934 1436740401 1915653868 2873480802 3831307736 4310221203 5746961604 8620442406 11493923208 12930663609 17240884812 25861327218 34481769624 51722654436 103445308872