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23211320232 = 2332933332971
BaseRepresentation
bin10101100111100000…
…001010001110101000
32012220122012020110010
4111213200022032220
5340014044221412
614355123051520
71451124652362
oct254740121650
965818166403
1023211320232
119931204491
1245b9510ba0
13225baaac19
1411a29b9d32
1590cb5333c
hex56780a3a8

23211320232 has 32 divisors (see below), whose sum is σ = 58032038880. Its totient is φ = 7736608320.

The previous prime is 23211320221. The next prime is 23211320273. The reversal of 23211320232 is 23202311232.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23211320199 and 23211320208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687507 + ... + 720477.

It is an arithmetic number, because the mean of its divisors is an integer number (1813501215).

Almost surely, 223211320232 is an apocalyptic number.

It is an amenable number.

23211320232 is an abundant number, since it is smaller than the sum of its proper divisors (34820718648).

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

23211320232 is a wasteful number, since it uses less digits than its factorization.

23211320232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62313 (or 62309 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23211320232 its reverse (23202311232), we get a palindrome (46413631464).

The spelling of 23211320232 in words is "twenty-three billion, two hundred eleven million, three hundred twenty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 29333 32971 58666 65942 87999 98913 117332 131884 175998 197826 234664 263768 351996 395652 703992 791304 967138343 1934276686 2901415029 3868553372 5802830058 7737106744 11605660116 23211320232