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20187225935 = 5181108720521
BaseRepresentation
bin10010110011010000…
…001001111101001111
31221002212211022221122
4102303100021331033
5312320412212220
613135054151155
71313154406052
oct226320117517
957085738848
1020187225935
11861a1876a8
123ab47b24bb
131b9940b806
14d97100a99
157d2400425
hex4b3409f4f

20187225935 has 16 divisors (see below), whose sum is σ = 24382106112. Its totient is φ = 16044998400.

The previous prime is 20187225913. The next prime is 20187225967. The reversal of 20187225935 is 53952278102.

It is not a de Polignac number, because 20187225935 - 26 = 20187225871 is a prime.

It is a Duffinian number.

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, 973475 + ... + 993995.

It is an arithmetic number, because the mean of its divisors is an integer number (1523881632).

Almost surely, 220187225935 is an apocalyptic number.

20187225935 is a deficient number, since it is larger than the sum of its proper divisors (4194880177).

20187225935 is a wasteful number, since it uses less digits than its factorization.

20187225935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21794.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 20187225935 in words is "twenty billion, one hundred eighty-seven million, two hundred twenty-five thousand, nine hundred thirty-five".

Divisors: 1 5 181 905 1087 5435 20521 102605 196747 983735 3714301 18571505 22306327 111531635 4037445187 20187225935