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8011394957 = 41631309667
BaseRepresentation
bin1110111011000010…
…00010111110001101
3202200022212000211202
413131201002332031
5112401404114312
63402543555245
7402346506416
oct73541027615
922608760752
108011394957
113441250675
121676bbbb25
139a8a028b7
1455ddd280d
1531d4eb9c2
hex1dd842f8d

8011394957 has 8 divisors (see below), whose sum is σ = 8219827392. Its totient is φ = 7803583200.

The previous prime is 8011394939. The next prime is 8011394969. The reversal of 8011394957 is 7594931108.

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

It is a cyclic number.

It is not a de Polignac number, because 8011394957 - 28 = 8011394701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8011394927) 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, 128963 + ... + 180704.

It is an arithmetic number, because the mean of its divisors is an integer number (1027478424).

Almost surely, 28011394957 is an apocalyptic number.

It is an amenable number.

8011394957 is a deficient number, since it is larger than the sum of its proper divisors (208432435).

8011394957 is a wasteful number, since it uses less digits than its factorization.

8011394957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310339.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 8011394957 is about 89506.3961792675. The cubic root of 8011394957 is about 2000.9491292556.

The spelling of 8011394957 in words is "eight billion, eleven million, three hundred ninety-four thousand, nine hundred fifty-seven".

Divisors: 1 41 631 25871 309667 12696347 195399877 8011394957