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20301444102 = 2319732439491
BaseRepresentation
bin10010111010000011…
…110111010000000110
31221101211202012211010
4102322003313100012
5313034132202402
613154254223050
71316042266452
oct227203672006
957354665733
1020301444102
1186786aa485
123b26ab4a86
131bb6c8cb24
14da8353662
157dc462a6c
hex4ba0f7406

20301444102 has 32 divisors (see below), whose sum is σ = 43325377920. Its totient is φ = 6323158080.

The previous prime is 20301443983. The next prime is 20301444139. The reversal of 20301444102 is 20144410302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1211424 + ... + 1228067.

It is an arithmetic number, because the mean of its divisors is an integer number (1353918060).

Almost surely, 220301444102 is an apocalyptic number.

20301444102 is an abundant number, since it is smaller than the sum of its proper divisors (23023933818).

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

20301444102 is a wasteful number, since it uses less digits than its factorization.

20301444102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439588.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20301444102 its reverse (20144410302), we get a palindrome (40445854404).

The spelling of 20301444102 in words is "twenty billion, three hundred one million, four hundred forty-four thousand, one hundred two".

Divisors: 1 2 3 6 19 38 57 73 114 146 219 438 1387 2774 4161 8322 2439491 4878982 7318473 14636946 46350329 92700658 139050987 178082843 278101974 356165686 534248529 1068497058 3383574017 6767148034 10150722051 20301444102