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2012557475157 = 36710012723757
BaseRepresentation
bin11101010010010101110…
…001011111110101010101
321010101202120221200110120
4131102111301133311111
5230433204203201112
64140320043142153
7265255023165555
oct35222561376525
97111676850416
102012557475157
11706580255829
12286069514959
13117a25055948
146d5a0545165
153754066ae8c
hex1d495c5fd55

2012557475157 has 8 divisors (see below), whose sum is σ = 2723460862176. Its totient is φ = 1321679535792.

The previous prime is 2012557475129. The next prime is 2012557475177. The reversal of 2012557475157 is 7515747552102.

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

It is not a de Polignac number, because 2012557475157 - 211 = 2012557473109 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012557475107) 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, 5006361678 + ... + 5006362079.

It is an arithmetic number, because the mean of its divisors is an integer number (340432607772).

Almost surely, 22012557475157 is an apocalyptic number.

It is an amenable number.

2012557475157 is a deficient number, since it is larger than the sum of its proper divisors (710903387019).

2012557475157 is a wasteful number, since it uses less digits than its factorization.

2012557475157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10012723827.

The product of its (nonzero) digits is 3430000, while the sum is 51.

The spelling of 2012557475157 in words is "two trillion, twelve billion, five hundred fifty-seven million, four hundred seventy-five thousand, one hundred fifty-seven".

Divisors: 1 3 67 201 10012723757 30038171271 670852491719 2012557475157