Search a number
-
+
23893121476 = 22726121812
BaseRepresentation
bin10110010000001001…
…000001100111000100
32021200011010022221001
4112100021001213010
5342413114341401
614550520303044
71504044116200
oct262011014704
967604108831
1023893121476
11a151053894
124769911a84
13233a117a03
141229377b00
1594c92d601
hex5902419c4

23893121476 has 81 divisors (see below), whose sum is σ = 49724724231. Its totient is φ = 10016395200.

The previous prime is 23893121429. The next prime is 23893121479. The reversal of 23893121476 is 67412139832.

The square root of 23893121476 is 154574.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 21985179076 + 1907942400 = 148274^2 + 43680^2 .

It is not an unprimeable number, because it can be changed into a prime (23893121479) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 132006106 + ... + 132006286.

Almost surely, 223893121476 is an apocalyptic number.

23893121476 is the 154574-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23893121476

23893121476 is an abundant number, since it is smaller than the sum of its proper divisors (25831602755).

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

23893121476 is an equidigital number, since it uses as much as digits as its factorization.

23893121476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 251 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The spelling of 23893121476 in words is "twenty-three billion, eight hundred ninety-three million, one hundred twenty-one thousand, four hundred seventy-six".

Divisors: 1 2 4 7 14 28 49 61 98 122 181 196 244 362 427 724 854 1267 1708 2534 2989 3721 5068 5978 7442 8869 11041 11956 14884 17738 22082 26047 32761 35476 44164 52094 65522 77287 104188 131044 154574 182329 229327 309148 364658 458654 541009 673501 729316 917308 1082018 1347002 1605289 1998421 2164036 2694004 3210578 3996842 4714507 6421156 7993684 9429014 13988947 18858028 27977894 33001549 55955788 66003098 97922629 121903681 132006196 195845258 243807362 391690516 487614724 853325767 1706651534 3413303068 5973280369 11946560738 23893121476