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102089419020 = 22325567163439
BaseRepresentation
bin101111100010100000…
…0001110100100001100
3100202111210020211022100
41133011000032210030
53133034342402040
6114522122315100
710242604513101
oct1370500164414
9322453224270
10102089419020
113a3288a7586
1217951658a90
13981c664464
144d26754aa8
1529c78b1b30
hex17c500e90c

102089419020 has 36 divisors (see below), whose sum is σ = 309671238240. Its totient is φ = 27223845024.

The previous prime is 102089419001. The next prime is 102089419037. The reversal of 102089419020 is 20914980201.

102089419020 is a `hidden beast` number, since 10 + 208 + 9 + 419 + 0 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1020894190202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283581540 + ... + 283581899.

It is an arithmetic number, because the mean of its divisors is an integer number (8601978840).

Almost surely, 2102089419020 is an apocalyptic number.

102089419020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102089419020 is an abundant number, since it is smaller than the sum of its proper divisors (207581819220).

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

102089419020 is a wasteful number, since it uses less digits than its factorization.

102089419020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567163454 (or 567163449 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 102089419020 in words is "one hundred two billion, eighty-nine million, four hundred nineteen thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 567163439 1134326878 1701490317 2268653756 2835817195 3402980634 5104470951 5671634390 6805961268 8507451585 10208941902 11343268780 17014903170 20417883804 25522354755 34029806340 51044709510 102089419020