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14525420720 = 245181567759
BaseRepresentation
bin11011000011100100…
…00101010010110000
31101111022010211022012
431201302011102300
5214222001430340
610401202102052
71022645016236
oct154162052260
941438124265
1014525420720
116184248638
12299464a928
1314a6424805
149bb1a8956
155a031d565
hex361c854b0

14525420720 has 20 divisors (see below), whose sum is σ = 33771603360. Its totient is φ = 5810168256.

The previous prime is 14525420719. The next prime is 14525420731. The reversal of 14525420720 is 2702452541.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90783800 + ... + 90783959.

It is an arithmetic number, because the mean of its divisors is an integer number (1688580168).

Almost surely, 214525420720 is an apocalyptic number.

14525420720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14525420720 is an abundant number, since it is smaller than the sum of its proper divisors (19246182640).

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

14525420720 is a wasteful number, since it uses less digits than its factorization.

14525420720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181567772 (or 181567766 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 32.

The spelling of 14525420720 in words is "fourteen billion, five hundred twenty-five million, four hundred twenty thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 181567759 363135518 726271036 907838795 1452542072 1815677590 2905084144 3631355180 7262710360 14525420720