Search a number
-
+
10142104331 = 52119466611
BaseRepresentation
bin10010111001000010…
…00011101100001011
3222011211011021121202
421130201003230023
5131232334314311
64354220254415
7506221315202
oct113441035413
928154137552
1010142104331
114334a54107
121b706a140b
13c58283588
146c2d94239
153e55cce3b
hex25c843b0b

10142104331 has 4 divisors (see below), whose sum is σ = 10161571464. Its totient is φ = 10122637200.

The previous prime is 10142104321. The next prime is 10142104339. The reversal of 10142104331 is 13340124101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13340124101 = 76911734511.

It is a cyclic number.

It is not a de Polignac number, because 10142104331 - 26 = 10142104267 is a prime.

It is a super-2 number, since 2×101421043312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10142104339) 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, 9732785 + ... + 9733826.

It is an arithmetic number, because the mean of its divisors is an integer number (2540392866).

Almost surely, 210142104331 is an apocalyptic number.

10142104331 is a deficient number, since it is larger than the sum of its proper divisors (19467133).

10142104331 is an equidigital number, since it uses as much as digits as its factorization.

10142104331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19467132.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10142104331 its reverse (13340124101), we get a palindrome (23482228432).

The spelling of 10142104331 in words is "ten billion, one hundred forty-two million, one hundred four thousand, three hundred thirty-one".

Divisors: 1 521 19466611 10142104331