Search a number
-
+
22872200678281 = 194742853597689
BaseRepresentation
bin1010011001101010110010…
…11001011000101110001001
32222222120010222202120120001
411030311121121120232021
510444214231333201111
6120351202142403001
74550314311664213
oct514653131305611
988876128676501
1022872200678281
117319056007869
122694951890461
13c9babab4a3c6
145910400615b3
15299e59a691c1
hex14cd59658b89

22872200678281 has 16 divisors (see below), whose sum is σ = 24588870969600. Its totient is φ = 21206840473728.

The previous prime is 22872200678237. The next prime is 22872200678329. The reversal of 22872200678281 is 18287600227822.

It is a cyclic number.

It is not a de Polignac number, because 22872200678281 - 219 = 22872200153993 is a prime.

It is a super-2 number, since 2×228722006782812 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22872200675281) 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, 37968885 + ... + 38566573.

It is an arithmetic number, because the mean of its divisors is an integer number (1536804435600).

Almost surely, 222872200678281 is an apocalyptic number.

It is an amenable number.

22872200678281 is a deficient number, since it is larger than the sum of its proper divisors (1716670291319).

22872200678281 is a wasteful number, since it uses less digits than its factorization.

22872200678281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640608.

The product of its (nonzero) digits is 4816896, while the sum is 55.

The spelling of 22872200678281 in words is "twenty-two trillion, eight hundred seventy-two billion, two hundred million, six hundred seventy-eight thousand, two hundred eighty-one".

Divisors: 1 19 47 893 42853 597689 814207 2014091 11356091 28091383 38267729 533736277 25612766717 486642567623 1203800035699 22872200678281