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10123312101 = 37482062481
BaseRepresentation
bin10010110110110010…
…10111101111100101
3222010111210112112020
421123121113233211
5131213031441401
64352305413353
7505602506310
oct113331275745
928114715466
1010123312101
114325389241
121b6633a259
13c54403b06
146c06a1977
153e3b19d36
hex25b657be5

10123312101 has 8 divisors (see below), whose sum is σ = 15425999424. Its totient is φ = 5784749760.

The previous prime is 10123312097. The next prime is 10123312139. The reversal of 10123312101 is 10121332101.

It is a happy number.

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

It is not a de Polignac number, because 10123312101 - 22 = 10123312097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123312151) 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, 241031220 + ... + 241031261.

It is an arithmetic number, because the mean of its divisors is an integer number (1928249928).

Almost surely, 210123312101 is an apocalyptic number.

It is an amenable number.

10123312101 is a deficient number, since it is larger than the sum of its proper divisors (5302687323).

10123312101 is an equidigital number, since it uses as much as digits as its factorization.

10123312101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482062491.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10123312101 its reverse (10121332101), we get a palindrome (20244644202).

The spelling of 10123312101 in words is "ten billion, one hundred twenty-three million, three hundred twelve thousand, one hundred one".

Divisors: 1 3 7 21 482062481 1446187443 3374437367 10123312101