Search a number
-
+
11920064694 = 2319373280327
BaseRepresentation
bin10110001100111110…
…11100000010110110
31010202201201000201120
423012133130002312
5143403014032234
65250452204410
7601250610126
oct130637340266
933681630646
1011920064694
11506762503a
122388009706
13117c727a25
14811170c86
1549b731049
hex2c67dc0b6

11920064694 has 32 divisors (see below), whose sum is σ = 25162241280. Its totient is φ = 3754125792.

The previous prime is 11920064687. The next prime is 11920064699. The reversal of 11920064694 is 49646002911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11920064699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97642 + ... + 182685.

It is an arithmetic number, because the mean of its divisors is an integer number (786320040).

Almost surely, 211920064694 is an apocalyptic number.

11920064694 is an abundant number, since it is smaller than the sum of its proper divisors (13242176586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11920064694 is a wasteful number, since it uses less digits than its factorization.

11920064694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280724.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 11920064694 in words is "eleven billion, nine hundred twenty million, sixty-four thousand, six hundred ninety-four".

Divisors: 1 2 3 6 19 38 57 114 373 746 1119 2238 7087 14174 21261 42522 280327 560654 840981 1681962 5326213 10652426 15978639 31957278 104561971 209123942 313685913 627371826 1986677449 3973354898 5960032347 11920064694