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11425015031 = 88712880513
BaseRepresentation
bin10101010001111101…
…11110010011110111
31002111020011220020212
422220332332103313
5141344300440111
65125405420035
7553060011503
oct125076762367
932436156225
1011425015031
114933139991
12226a26a61b
131100cb6c31
147a5507303
1546d04498b
hex2a8fbe4f7

11425015031 has 4 divisors (see below), whose sum is σ = 11437896432. Its totient is φ = 11412133632.

The previous prime is 11425015027. The next prime is 11425015033. The reversal of 11425015031 is 13051052411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11425015031 - 22 = 11425015027 is a prime.

It is a super-2 number, since 2×114250150312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11425014988 and 11425015006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11425015033) 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, 6439370 + ... + 6441143.

It is an arithmetic number, because the mean of its divisors is an integer number (2859474108).

Almost surely, 211425015031 is an apocalyptic number.

11425015031 is a deficient number, since it is larger than the sum of its proper divisors (12881401).

11425015031 is an equidigital number, since it uses as much as digits as its factorization.

11425015031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12881400.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 11425015031 its reverse (13051052411), we get a palindrome (24476067442).

The spelling of 11425015031 in words is "eleven billion, four hundred twenty-five million, fifteen thousand, thirty-one".

Divisors: 1 887 12880513 11425015031