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20366725157 = 198211305643
BaseRepresentation
bin10010111101111100…
…111001000000100101
31221120101120211120222
4102331330321000211
5313202340201112
613204545334125
71320464210312
oct227574710045
957511524528
1020366725157
118701538069
123b44937345
131bc766877c
14db2ca7d09
157e305a372
hex4bdf39025

20366725157 has 8 divisors (see below), whose sum is σ = 21464787360. Its totient is φ = 19271275920.

The previous prime is 20366725151. The next prime is 20366725189. The reversal of 20366725157 is 75152766302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20366725157 - 214 = 20366708773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20366725151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637223 + ... + 668420.

It is an arithmetic number, because the mean of its divisors is an integer number (2683098420).

Almost surely, 220366725157 is an apocalyptic number.

It is an amenable number.

20366725157 is a deficient number, since it is larger than the sum of its proper divisors (1098062203).

20366725157 is a wasteful number, since it uses less digits than its factorization.

20366725157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306483.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 20366725157 in words is "twenty billion, three hundred sixty-six million, seven hundred twenty-five thousand, one hundred fifty-seven".

Divisors: 1 19 821 15599 1305643 24807217 1071932903 20366725157