Search a number
-
+
54640145514 = 23149593103067
BaseRepresentation
bin110010111000110011…
…100111010001101010
312020000222001222122010
4302320303213101222
51343400334124024
641033515540350
73643014400533
oct627063472152
9166028058563
1054640145514
1121199a35059
12a70aa5a6b6
1351ca1a4b66
142904abb68a
15164be17b29
hexcb8ce746a

54640145514 has 32 divisors (see below), whose sum is σ = 110200305600. Its totient is φ = 18060461312.

The previous prime is 54640145507. The next prime is 54640145563. The reversal of 54640145514 is 41554104645.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478609 + ... + 581675.

It is an arithmetic number, because the mean of its divisors is an integer number (3443759550).

Almost surely, 254640145514 is an apocalyptic number.

54640145514 is an abundant number, since it is smaller than the sum of its proper divisors (55560160086).

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

54640145514 is a wasteful number, since it uses less digits than its factorization.

54640145514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103814.

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 54640145514 in words is "fifty-four billion, six hundred forty million, one hundred forty-five thousand, five hundred fourteen".

Divisors: 1 2 3 6 149 298 447 593 894 1186 1779 3558 88357 103067 176714 206134 265071 309201 530142 618402 15356983 30713966 46070949 61118731 92141898 122237462 183356193 366712386 9106690919 18213381838 27320072757 54640145514