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1852074139 is a prime number
BaseRepresentation
bin110111001100100…
…0110100010011011
311210002000010002111
41232121012202123
512243112333024
6503440213151
763616241026
oct15631064233
94702003074
101852074139
118704a1793
1243830a1b7
13236923576
14137d901bd
15ac8e2a94
hex6e64689b

1852074139 has 2 divisors, whose sum is σ = 1852074140. Its totient is φ = 1852074138.

The previous prime is 1852074089. The next prime is 1852074143. The reversal of 1852074139 is 9314702581.

It is a strong prime.

It is an emirp because it is prime and its reverse (9314702581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1852074139 - 29 = 1852073627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1852074739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 926037069 + 926037070.

It is an arithmetic number, because the mean of its divisors is an integer number (926037070).

Almost surely, 21852074139 is an apocalyptic number.

1852074139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1852074139 is an equidigital number, since it uses as much as digits as its factorization.

1852074139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1852074139 is about 43035.7309569618. The cubic root of 1852074139 is about 1228.0596323523.

The spelling of 1852074139 in words is "one billion, eight hundred fifty-two million, seventy-four thousand, one hundred thirty-nine".