Search a number
-
+
23331321132 = 2237291795219
BaseRepresentation
bin10101101110101001…
…111011010100101100
32020012222222220201220
4111232221323110230
5340240304234012
614415051103340
71454112646260
oct255651732454
966188886656
1023331321132
119992a16989
124631741b50
13227a905382
1411b48d60a0
1591845908c
hex56ea7b52c

23331321132 has 48 divisors (see below), whose sum is σ = 62238839040. Its totient is φ = 6663736512.

The previous prime is 23331321121. The next prime is 23331321157. The reversal of 23331321132 is 23112313332.

It is a super-2 number, since 2×233313211322 (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197419 + ... + 292637.

It is an arithmetic number, because the mean of its divisors is an integer number (1296642480).

Almost surely, 223331321132 is an apocalyptic number.

It is an amenable number.

23331321132 is an abundant number, since it is smaller than the sum of its proper divisors (38907517908).

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

23331321132 is a wasteful number, since it uses less digits than its factorization.

23331321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98150 (or 98148 counting only the distinct ones).

The product of its digits is 1944, while the sum is 24.

Adding to 23331321132 its reverse (23112313332), we get a palindrome (46443634464).

The spelling of 23331321132 in words is "twenty-three billion, three hundred thirty-one million, three hundred twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 2917 5834 8751 11668 17502 20419 35004 40838 61257 81676 95219 122514 190438 245028 285657 380876 571314 666533 1142628 1333066 1999599 2666132 3999198 7998396 277753823 555507646 833261469 1111015292 1666522938 1944276761 3333045876 3888553522 5832830283 7777107044 11665660566 23331321132