Search a number
-
+
2168573830722 = 233138934709399
BaseRepresentation
bin11111100011101001000…
…100101010011001000010
321200022110122020201122000
4133203221010222121002
5241012214400040342
64340121251124430
7312450165265215
oct37435104523102
97608418221560
102168573830722
11766761435962
122b034aba3716
13129659ba94c0
1476d60d6177c
153b62251444c
hex1f8e912a642

2168573830722 has 64 divisors (see below), whose sum is σ = 5248061280000. Its totient is φ = 659756237184.

The previous prime is 2168573830681. The next prime is 2168573830747. The reversal of 2168573830722 is 2270383758612.

2168573830722 is a `hidden beast` number, since 2 + 1 + 68 + 573 + 8 + 3 + 0 + 7 + 2 + 2 = 666.

It is a super-2 number, since 2×21685738307222 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 31 ways as a sum of consecutive naturals, for example, 17292222 + ... + 17417177.

It is an arithmetic number, because the mean of its divisors is an integer number (82000957500).

Almost surely, 22168573830722 is an apocalyptic number.

2168573830722 is an abundant number, since it is smaller than the sum of its proper divisors (3079487449278).

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

2168573830722 is a wasteful number, since it uses less digits than its factorization.

2168573830722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34709512 (or 34709506 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 2168573830722 in words is "two trillion, one hundred sixty-eight billion, five hundred seventy-three million, eight hundred thirty thousand, seven hundred twenty-two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 89 117 178 234 267 351 534 702 801 1157 1602 2314 2403 3471 4806 6942 10413 20826 31239 62478 34709399 69418798 104128197 208256394 312384591 451222187 624769182 902444374 937153773 1353666561 1874307546 2707333122 3089136511 4060999683 6178273022 8121999366 9267409533 12182999049 18534819066 24365998098 27802228599 40158774643 55604457198 80317549286 83406685797 120476323929 166813371594 240952647858 361428971787 722857943574 1084286915361 2168573830722