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10231420141 = 31330045811
BaseRepresentation
bin10011000011101011…
…10001010011101101
3222102001012222212201
421201311301103231
5131423220421031
64411130501501
7511354431145
oct114165612355
928361188781
1010231420141
114380408428
121b96594891
13c70925c77
146d0ba3925
153ed371d61
hex261d714ed

10231420141 has 4 divisors (see below), whose sum is σ = 10561465984. Its totient is φ = 9901374300.

The previous prime is 10231420109. The next prime is 10231420151. The reversal of 10231420141 is 14102413201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14102413201 = 38723364187.

It is a cyclic number.

It is not a de Polignac number, because 10231420141 - 25 = 10231420109 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 (10231420151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165022875 + ... + 165022936.

It is an arithmetic number, because the mean of its divisors is an integer number (2640366496).

Almost surely, 210231420141 is an apocalyptic number.

It is an amenable number.

10231420141 is a deficient number, since it is larger than the sum of its proper divisors (330045843).

10231420141 is an equidigital number, since it uses as much as digits as its factorization.

10231420141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330045842.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10231420141 its reverse (14102413201), we get a palindrome (24333833342).

The spelling of 10231420141 in words is "ten billion, two hundred thirty-one million, four hundred twenty thousand, one hundred forty-one".

Divisors: 1 31 330045811 10231420141