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23111232330 = 2353191241421
BaseRepresentation
bin10101100001100010…
…010110101101001010
32012122122212020122210
4111201202112231022
5334312433413310
614341145525550
71445501143044
oct254142265512
965578766583
1023111232330
11988a762a0a
12458baa38b6
132244136404
1411935a4a94
15903e82820
hex561896b4a

23111232330 has 32 divisors (see below), whose sum is σ = 55484569728. Its totient is φ = 6161038400.

The previous prime is 23111232323. The next prime is 23111232379. The reversal of 23111232330 is 3323211132.

It is a super-2 number, since 2×231112323302 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23111232297 and 23111232306.

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, 24981 + ... + 216440.

It is an arithmetic number, because the mean of its divisors is an integer number (1733892804).

Almost surely, 223111232330 is an apocalyptic number.

23111232330 is an abundant number, since it is smaller than the sum of its proper divisors (32373337398).

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

23111232330 is a wasteful number, since it uses less digits than its factorization.

23111232330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244622.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23111232330 its reverse (3323211132), we get a palindrome (26434443462).

The spelling of 23111232330 in words is "twenty-three billion, one hundred eleven million, two hundred thirty-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 3191 6382 9573 15955 19146 31910 47865 95730 241421 482842 724263 1207105 1448526 2414210 3621315 7242630 770374411 1540748822 2311123233 3851872055 4622246466 7703744110 11555616165 23111232330