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2378717057 = 6913442427
BaseRepresentation
bin1000110111001000…
…0101011110000001
320010202222100100202
42031302011132001
514332422421212
61032012054545
7112642522103
oct21562053601
96122870322
102378717057
1110107a6372
12564764455
132bba765b2
14187cbd573
15ddc700c2
hex8dc85781

2378717057 has 4 divisors (see below), whose sum is σ = 2382160176. Its totient is φ = 2375273940.

The previous prime is 2378716997. The next prime is 2378717069. The reversal of 2378717057 is 7507178732.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2378717057 - 216 = 2378651521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2378714057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1720523 + ... + 1721904.

It is an arithmetic number, because the mean of its divisors is an integer number (595540044).

Almost surely, 22378717057 is an apocalyptic number.

It is an amenable number.

2378717057 is a deficient number, since it is larger than the sum of its proper divisors (3443119).

2378717057 is an equidigital number, since it uses as much as digits as its factorization.

2378717057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443118.

The product of its (nonzero) digits is 576240, while the sum is 47.

The square root of 2378717057 is about 48772.0930143458. The cubic root of 2378717057 is about 1334.8965037339.

The spelling of 2378717057 in words is "two billion, three hundred seventy-eight million, seven hundred seventeen thousand, fifty-seven".

Divisors: 1 691 3442427 2378717057