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2045767157 = 72771055063
BaseRepresentation
bin111100111101111…
…1110110111110101
312021120110201221222
41321323332313311
513142204022112
6534555520125
7101460506510
oct17173766765
95246421858
102045767157
1195a867165
12491159045
13267aacc15
141559add77
15be903372
hex79efedf5

2045767157 has 8 divisors (see below), whose sum is σ = 2346462336. Its totient is φ = 1747182672.

The previous prime is 2045767147. The next prime is 2045767189. The reversal of 2045767157 is 7517675402.

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

It is a cyclic number.

It is not a de Polignac number, because 2045767157 - 26 = 2045767093 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 (2045767147) 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, 525593 + ... + 529470.

It is an arithmetic number, because the mean of its divisors is an integer number (293307792).

Almost surely, 22045767157 is an apocalyptic number.

It is an amenable number.

2045767157 is a deficient number, since it is larger than the sum of its proper divisors (300695179).

2045767157 is a wasteful number, since it uses less digits than its factorization.

2045767157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055347.

The product of its (nonzero) digits is 411600, while the sum is 44.

The square root of 2045767157 is about 45230.1576052969. The cubic root of 2045767157 is about 1269.4591610779.

The spelling of 2045767157 in words is "two billion, forty-five million, seven hundred sixty-seven thousand, one hundred fifty-seven".

Divisors: 1 7 277 1939 1055063 7385441 292252451 2045767157