Search a number
-
+
23251112232 = 23359101162577
BaseRepresentation
bin10101101001110111…
…111101000100101000
32020000102001212210220
4111221313331010220
5340104241042412
614403104010040
71452120123135
oct255167750450
966012055726
1023251112232
119951712837
12460a900920
132267100b9a
1411a7db758c
159113b368c
hex569dfd128

23251112232 has 64 divisors (see below), whose sum is σ = 59698641600. Its totient is φ = 7543526400.

The previous prime is 23251112221. The next prime is 23251112303. The reversal of 23251112232 is 23221115232.

It is a super-2 number, since 2×232511122322 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 61728 + ... + 224304.

It is an arithmetic number, because the mean of its divisors is an integer number (932791275).

Almost surely, 223251112232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23251112232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29849320800).

23251112232 is an abundant number, since it is smaller than the sum of its proper divisors (36447529368).

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

23251112232 is a wasteful number, since it uses less digits than its factorization.

23251112232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162746 (or 162742 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

Adding to 23251112232 its reverse (23221115232), we get a palindrome (46472227464).

The spelling of 23251112232 in words is "twenty-three billion, two hundred fifty-one million, one hundred twelve thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 59 101 118 177 202 236 303 354 404 472 606 708 808 1212 1416 2424 5959 11918 17877 23836 35754 47672 71508 143016 162577 325154 487731 650308 975462 1300616 1950924 3901848 9592043 16420277 19184086 28776129 32840554 38368172 49260831 57552258 65681108 76736344 98521662 115104516 131362216 197043324 230209032 394086648 968796343 1937592686 2906389029 3875185372 5812778058 7750370744 11625556116 23251112232