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10123331021 = 231016943283
BaseRepresentation
bin10010110110110010…
…11100010111001101
3222010111211111110222
421123121130113031
5131213033043041
64352310041125
7505602615416
oct113331342715
928114744428
1010123331021
1143253a1481
121b663491a5
13c5440c5cb
146c06a880d
153e3b2074b
hex25b65c5cd

10123331021 has 8 divisors (see below), whose sum is σ = 10564758720. Its totient is φ = 9682010272.

The previous prime is 10123331011. The next prime is 10123331027. The reversal of 10123331021 is 12013332101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10123331021 - 26 = 10123330957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123331027) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 212246 + ... + 255528.

It is an arithmetic number, because the mean of its divisors is an integer number (1320594840).

Almost surely, 210123331021 is an apocalyptic number.

It is an amenable number.

10123331021 is a deficient number, since it is larger than the sum of its proper divisors (441427699).

10123331021 is a wasteful number, since it uses less digits than its factorization.

10123331021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53475.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10123331021 its reverse (12013332101), we get a palindrome (22136663122).

The spelling of 10123331021 in words is "ten billion, one hundred twenty-three million, three hundred thirty-one thousand, twenty-one".

Divisors: 1 23 10169 43283 233887 995509 440144827 10123331021