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7420663117 = 71060094731
BaseRepresentation
bin1101110100100111…
…00101010101001101
3201011011021202002201
412322103211111031
5110144142204432
63224202321501
7351614411230
oct67223452515
921134252081
107420663117
11316885303a
1215311b9291
1391350072a
1450577d417
152d670eee7
hex1ba4e554d

7420663117 has 4 divisors (see below), whose sum is σ = 8480757856. Its totient is φ = 6360568380.

The previous prime is 7420663111. The next prime is 7420663141. The reversal of 7420663117 is 7113660247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7420663117 - 27 = 7420662989 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 (7420663111) 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, 530047359 + ... + 530047372.

It is an arithmetic number, because the mean of its divisors is an integer number (2120189464).

Almost surely, 27420663117 is an apocalyptic number.

It is an amenable number.

7420663117 is a deficient number, since it is larger than the sum of its proper divisors (1060094739).

7420663117 is a wasteful number, since it uses less digits than its factorization.

7420663117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060094738.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 7420663117 is about 86143.2708747468. The cubic root of 7420663117 is about 1950.5072637798.

The spelling of 7420663117 in words is "seven billion, four hundred twenty million, six hundred sixty-three thousand, one hundred seventeen".

Divisors: 1 7 1060094731 7420663117