Search a number
-
+
54545954642 = 2196724188897
BaseRepresentation
bin110010110011001100…
…010011011101010010
312012210101211121001022
4302303030103131102
51343202231022032
641020313035442
73640461651554
oct626314233522
9165711747038
1054545954642
1121150851063
12a6a33b5b82
1351b381650a
1428d639d4d4
151643a0e512
hexcb3313752

54545954642 has 32 divisors (see below), whose sum is σ = 87774329280. Its totient is φ = 25346027520.

The previous prime is 54545954641. The next prime is 54545954647. The reversal of 54545954642 is 24645954545.

54545954642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×545459546422 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54545954641) 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, 569138 + ... + 658034.

It is an arithmetic number, because the mean of its divisors is an integer number (2742947790).

Almost surely, 254545954642 is an apocalyptic number.

54545954642 is a deficient number, since it is larger than the sum of its proper divisors (33228374638).

54545954642 is a wasteful number, since it uses less digits than its factorization.

54545954642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89226.

The product of its digits is 17280000, while the sum is 53.

The spelling of 54545954642 in words is "fifty-four billion, five hundred forty-five million, nine hundred fifty-four thousand, six hundred forty-two".

Divisors: 1 2 19 38 67 134 241 482 1273 2546 4579 9158 16147 32294 88897 177794 306793 613586 1689043 3378086 5956099 11912198 21424177 42848354 113165881 226331762 407059363 814118726 1435419859 2870839718 27272977321 54545954642