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1964135051 = 19791308551
BaseRepresentation
bin111010100010010…
…0101001010001011
312001212212101202122
41311010211022023
513010304310201
6522522121455
766446605154
oct16504451213
95055771678
101964135051
1191878080a
1246995028b
13253bca9b8
14148c0092b
15b767ae1b
hex7512528b

1964135051 has 8 divisors (see below), whose sum is σ = 2093683200. Its totient is φ = 1837204200.

The previous prime is 1964135039. The next prime is 1964135057. The reversal of 1964135051 is 1505314691.

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 1964135051 - 210 = 1964134027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1964135057) 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, 652775 + ... + 655776.

It is an arithmetic number, because the mean of its divisors is an integer number (261710400).

Almost surely, 21964135051 is an apocalyptic number.

1964135051 is a deficient number, since it is larger than the sum of its proper divisors (129548149).

1964135051 is a wasteful number, since it uses less digits than its factorization.

1964135051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308649.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 1964135051 is about 44318.5632777057. The cubic root of 1964135051 is about 1252.3444111203.

The spelling of 1964135051 in words is "one billion, nine hundred sixty-four million, one hundred thirty-five thousand, fifty-one".

Divisors: 1 19 79 1501 1308551 24862469 103375529 1964135051