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10121311011 = 37481967191
BaseRepresentation
bin10010110110100011…
…01111001100100011
3222010101000212112210
421123101233030203
5131212023423021
64352154453203
7505546503240
oct113321571443
928111025483
1010121311011
114324241849
121b65734203
13c53b83036
146c03005c7
153e3871e76
hex25b46f323

10121311011 has 8 divisors (see below), whose sum is σ = 15422950144. Its totient is φ = 5783606280.

The previous prime is 10121311007. The next prime is 10121311027. The reversal of 10121311011 is 11011312101.

10121311011 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10121311011 - 22 = 10121311007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10121311111) 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, 240983575 + ... + 240983616.

It is an arithmetic number, because the mean of its divisors is an integer number (1927868768).

Almost surely, 210121311011 is an apocalyptic number.

10121311011 is a deficient number, since it is larger than the sum of its proper divisors (5301639133).

10121311011 is an equidigital number, since it uses as much as digits as its factorization.

10121311011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481967201.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 10121311011 its reverse (11011312101), we get a palindrome (21132623112).

The spelling of 10121311011 in words is "ten billion, one hundred twenty-one million, three hundred eleven thousand, eleven".

Divisors: 1 3 7 21 481967191 1445901573 3373770337 10121311011