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7664471023 = 11696770093
BaseRepresentation
bin1110010001101011…
…01000101111101111
3201210011001110200011
413020311220233233
5111144101033043
63304312114051
7360634633366
oct71065505757
921704043604
107664471023
113283437580
12159a995927
13951b85871
14529cc67dd
152ecd1e59d
hex1c8d68bef

7664471023 has 4 divisors (see below), whose sum is σ = 8361241128. Its totient is φ = 6967700920.

The previous prime is 7664470967. The next prime is 7664471057. The reversal of 7664471023 is 3201744667.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7664471023 - 213 = 7664462831 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 (7664471083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348385036 + ... + 348385057.

It is an arithmetic number, because the mean of its divisors is an integer number (2090310282).

Almost surely, 27664471023 is an apocalyptic number.

7664471023 is a deficient number, since it is larger than the sum of its proper divisors (696770105).

7664471023 is a wasteful number, since it uses less digits than its factorization.

7664471023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696770104.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 7664471023 is about 87546.9646703985. The cubic root of 7664471023 is about 1971.6389791752.

The spelling of 7664471023 in words is "seven billion, six hundred sixty-four million, four hundred seventy-one thousand, twenty-three".

Divisors: 1 11 696770093 7664471023