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1351393706 = 21351976681
BaseRepresentation
bin101000010001100…
…1010000110101010
310111011212220122202
41100203022012222
510231424044311
6342033020202
745326441225
oct12043120652
93434786582
101351393706
11633910103
123186b4662
13186c90860
14cb69c5bc
157d992e3b
hex508ca1aa

1351393706 has 8 divisors (see below), whose sum is σ = 2183020644. Its totient is φ = 623720160.

The previous prime is 1351393697. The next prime is 1351393741. The reversal of 1351393706 is 6073931531.

It can be written as a sum of positive squares in 2 ways, for example, as 980253481 + 371140225 = 31309^2 + 19265^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1351393706.

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, 25988315 + ... + 25988366.

Almost surely, 21351393706 is an apocalyptic number.

1351393706 is a deficient number, since it is larger than the sum of its proper divisors (831626938).

1351393706 is a wasteful number, since it uses less digits than its factorization.

1351393706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51976696.

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 1351393706 is about 36761.3071856810. The cubic root of 1351393706 is about 1105.5896489197.

The spelling of 1351393706 in words is "one billion, three hundred fifty-one million, three hundred ninety-three thousand, seven hundred six".

Divisors: 1 2 13 26 51976681 103953362 675696853 1351393706