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157282303857 = 378342389779
BaseRepresentation
bin1001001001111011000…
…0010111111101110001
3120000222021101212202020
42102132300113331301
510034103232210412
6200130545342053
714235413344560
oct2223660277561
9500867355666
10157282303857
116078083a898
1226595637929
1311aa71c85b3
1478809d5bd7
1541580ae18c
hex249ec17f71

157282303857 has 16 divisors (see below), whose sum is σ = 239673815040. Its totient is φ = 89873523792.

The previous prime is 157282303847. The next prime is 157282303861. The reversal of 157282303857 is 758303282751.

It is not a de Polignac number, because 157282303857 - 210 = 157282302833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157282303807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1706994 + ... + 1796772.

It is an arithmetic number, because the mean of its divisors is an integer number (14979613440).

Almost surely, 2157282303857 is an apocalyptic number.

It is an amenable number.

157282303857 is a deficient number, since it is larger than the sum of its proper divisors (82391511183).

157282303857 is an equidigital number, since it uses as much as digits as its factorization.

157282303857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173212.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 157282303857 in words is "one hundred fifty-seven billion, two hundred eighty-two million, three hundred three thousand, eight hundred fifty-seven".

Divisors: 1 3 7 21 83423 89779 250269 269337 583961 628453 1751883 1885359 7489633517 22468900551 52427434619 157282303857