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45418511020 = 2253177163803
BaseRepresentation
bin101010010011001001…
…110111101010101100
311100020021221102020211
4222103021313222230
51221004114323040
632510500152204
73165340655011
oct522311675254
9140207842224
1045418511020
1118297624623
128976698664
13438a8341bc
1422ac091708
1512ac55b8ea
hexa93277aac

45418511020 has 24 divisors (see below), whose sum is σ = 95679766224. Its totient is φ = 18110091456.

The previous prime is 45418511011. The next prime is 45418511027. The reversal of 45418511020 is 2011581454.

It is a super-2 number, since 2×454185110202 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45418511027) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3575562 + ... + 3588241.

It is an arithmetic number, because the mean of its divisors is an integer number (3986656926).

Almost surely, 245418511020 is an apocalyptic number.

It is an amenable number.

45418511020 is an abundant number, since it is smaller than the sum of its proper divisors (50261255204).

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

45418511020 is a wasteful number, since it uses less digits than its factorization.

45418511020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7164129 (or 7164127 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The spelling of 45418511020 in words is "forty-five billion, four hundred eighteen million, five hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 317 634 1268 1585 3170 6340 7163803 14327606 28655212 35819015 71638030 143276060 2270925551 4541851102 9083702204 11354627755 22709255510 45418511020