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20077466742405 = 325446165927609
BaseRepresentation
bin1001001000010101001100…
…10001011110111010000101
32122002101110011210202112100
410210022212101132322011
510112422122441224110
6110411243315142313
74141356225330552
oct444124621367205
978071404722470
1020077466742405
1164408956151a6
122303192ba4999
13b283b2643757
144d5a7c7a9a29
1524c3dac59bc0
hex1242a645ee85

20077466742405 has 12 divisors (see below), whose sum is σ = 34800942353580. Its totient is φ = 10707982262592.

The previous prime is 20077466742383. The next prime is 20077466742427. The reversal of 20077466742405 is 50424766477002.

20077466742405 is a `hidden beast` number, since 2 + 0 + 0 + 77 + 466 + 74 + 2 + 40 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (20077466742383) and next prime (20077466742427).

It can be written as a sum of positive squares in 2 ways, for example, as 9240426597249 + 10837040145156 = 3039807^2 + 3291966^2 .

It is not a de Polignac number, because 20077466742405 - 26 = 20077466742341 is a prime.

It is a Curzon number.

It is a congruent number.

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, 223082963760 + ... + 223082963849.

It is an arithmetic number, because the mean of its divisors is an integer number (2900078529465).

Almost surely, 220077466742405 is an apocalyptic number.

It is an amenable number.

20077466742405 is a deficient number, since it is larger than the sum of its proper divisors (14723475611175).

20077466742405 is a wasteful number, since it uses less digits than its factorization.

20077466742405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446165927620 (or 446165927617 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 54.

The spelling of 20077466742405 in words is "twenty trillion, seventy-seven billion, four hundred sixty-six million, seven hundred forty-two thousand, four hundred five".

Divisors: 1 3 5 9 15 45 446165927609 1338497782827 2230829638045 4015493348481 6692488914135 20077466742405