Search a number
-
+
20839873233042 = 23219264792301269
BaseRepresentation
bin1001011110100001010010…
…01111011100000010010010
32201210021100121010100120100
410233100221033130002102
510212420030021424132
6112153412224153230
74250426325510513
oct457205117340222
981707317110510
1020839873233042
116705160166996
122406aa7468816
13b82264c89916
14520925dd2a0a
1526215d96e37c
hex12f4293dc092

20839873233042 has 48 divisors (see below), whose sum is σ = 47531351088000. Its totient is φ = 6580761203232.

The previous prime is 20839873233041. The next prime is 20839873233043. The reversal of 20839873233042 is 24033237893802.

20839873233042 is a `hidden beast` number, since 2 + 0 + 8 + 3 + 9 + 8 + 7 + 323 + 304 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (20839873233041) and next prime (20839873233043).

It is a self number, because there is not a number n which added to its sum of digits gives 20839873233042.

It is not an unprimeable number, because it can be changed into a prime (20839873233041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7905184 + ... + 10206452.

It is an arithmetic number, because the mean of its divisors is an integer number (990236481000).

Almost surely, 220839873233042 is an apocalyptic number.

20839873233042 is an abundant number, since it is smaller than the sum of its proper divisors (26691477854958).

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

20839873233042 is a wasteful number, since it uses less digits than its factorization.

20839873233042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327775 (or 2327772 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 54.

The spelling of 20839873233042 in words is "twenty trillion, eight hundred thirty-nine billion, eight hundred seventy-three million, two hundred thirty-three thousand, forty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 26479 52958 79437 158874 238311 476622 503101 1006202 1509303 2301269 3018606 4527909 4602538 6903807 9055818 13807614 20711421 41422842 43724111 87448222 131172333 262344666 393516999 787033998 60935301851 121870603702 182805905553 365611811106 548417716659 1096835433318 1157770735169 2315541470338 3473312205507 6946624411014 10419936616521 20839873233042