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12019057079620 = 2254368320462149
BaseRepresentation
bin1010111011100110011110…
…1000001011010101000100
31120120000021202100001110011
42232321213220023111010
53033410012103021440
641321251213240004
72350230303350263
oct256714750132504
946500252301404
1012019057079620
113914287426888
121421459a93004
13692513923c66
142d7a229745da
1515c99aed29ea
hexaee67a0b544

12019057079620 has 48 divisors (see below), whose sum is σ = 25864812388800. Its totient is φ = 4688942138496.

The previous prime is 12019057079581. The next prime is 12019057079629. The reversal of 12019057079620 is 2697075091021.

It is a happy number.

12019057079620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12019057079629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9643695 + ... + 10818454.

It is an arithmetic number, because the mean of its divisors is an integer number (538850258100).

Almost surely, 212019057079620 is an apocalyptic number.

12019057079620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12019057079620 is an abundant number, since it is smaller than the sum of its proper divisors (13845755309180).

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

12019057079620 is a wasteful number, since it uses less digits than its factorization.

12019057079620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20462884 (or 20462882 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 49.

The spelling of 12019057079620 in words is "twelve trillion, nineteen billion, fifty-seven million, seventy-nine thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 683 860 1366 2732 3415 6830 13660 29369 58738 117476 146845 293690 587380 20462149 40924298 81848596 102310745 204621490 409242980 879872407 1759744814 3519489628 4399362035 8798724070 13975647767 17597448140 27951295534 55902591068 69878238835 139756477670 279512955340 600952853981 1201905707962 2403811415924 3004764269905 6009528539810 12019057079620