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10123211101 = 67724720849
BaseRepresentation
bin10010110110110001…
…11111000101011101
3222010111121101222111
421123120333011131
5131213020223401
64352303314021
7505601605663
oct113330770535
928114541874
1010123211101
11432531a373
121b662ab911
13c54399b53
146c0676c33
153e3ae9e51
hex25b63f15d

10123211101 has 8 divisors (see below), whose sum is σ = 10276214400. Its totient is φ = 9970264128.

The previous prime is 10123211071. The next prime is 10123211143. The reversal of 10123211101 is 10111232101.

It is a happy number.

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 10123211101 - 25 = 10123211069 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 (10123211171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475125 + ... + 495973.

It is an arithmetic number, because the mean of its divisors is an integer number (1284526800).

Almost surely, 210123211101 is an apocalyptic number.

It is an amenable number.

10123211101 is a deficient number, since it is larger than the sum of its proper divisors (153003299).

10123211101 is an equidigital number, since it uses as much as digits as its factorization.

10123211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28163.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10123211101 its reverse (10111232101), we get a palindrome (20234443202).

The spelling of 10123211101 in words is "ten billion, one hundred twenty-three million, two hundred eleven thousand, one hundred one".

Divisors: 1 67 7247 20849 485549 1396883 151092703 10123211101