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57428773106 = 273393347761
BaseRepresentation
bin110101011111000001…
…011000100011110010
312111020022100221112112
4311133001120203302
51420103231214411
642214333525322
74102065342245
oct653701304362
9174208327475
1057428773106
11223a0055261
12b168943842
135552b4c963
142acb1c125c
151761b57b8b
hexd5f0588f2

57428773106 has 8 divisors (see below), whose sum is σ = 87323203164. Its totient is φ = 28321038720.

The previous prime is 57428773097. The next prime is 57428773153. The reversal of 57428773106 is 60137782475.

It is a happy number.

57428773106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 54238217881 + 3190555225 = 232891^2 + 56485^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196673735 + ... + 196674026.

Almost surely, 257428773106 is an apocalyptic number.

57428773106 is a deficient number, since it is larger than the sum of its proper divisors (29894430058).

57428773106 is a wasteful number, since it uses less digits than its factorization.

57428773106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393347836.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 57428773106 in words is "fifty-seven billion, four hundred twenty-eight million, seven hundred seventy-three thousand, one hundred six".

Divisors: 1 2 73 146 393347761 786695522 28714386553 57428773106