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1057069263 = 31993176797
BaseRepresentation
bin111111000000011…
…001100011001111
32201200001200102110
4333000121203033
54131102204023
6252520355103
735123640405
oct7700314317
92650050373
101057069263
114a2762868
12256015a93
1313accc193
14a0565475
1562c05a93
hex3f0198cf

1057069263 has 8 divisors (see below), whose sum is σ = 1410140848. Its totient is φ = 704355264.

The previous prime is 1057069253. The next prime is 1057069289. The reversal of 1057069263 is 3629607501.

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

It is not a de Polignac number, because 1057069263 - 210 = 1057068239 is a prime.

It is a super-2 number, since 2×10570692632 = 2234790853558726338, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057069253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82420 + ... + 94377.

It is an arithmetic number, because the mean of its divisors is an integer number (176267606).

Almost surely, 21057069263 is an apocalyptic number.

1057069263 is a deficient number, since it is larger than the sum of its proper divisors (353071585).

1057069263 is a wasteful number, since it uses less digits than its factorization.

1057069263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178793.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 1057069263 is about 32512.6016030708. The cubic root of 1057069263 is about 1018.6722641677.

The spelling of 1057069263 in words is "one billion, fifty-seven million, sixty-nine thousand, two hundred sixty-three".

Divisors: 1 3 1993 5979 176797 530391 352356421 1057069263