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11246425631 = 7712318713
BaseRepresentation
bin10100111100101011…
…01101011000011111
31002000210010121122122
422132111231120133
5141013041110011
65055545533155
7545461016630
oct123625553037
932023117578
1011246425631
114851350041
12221a4a41bb
1310a2cb812c
147898d9887
1545c5193db
hex29e56d61f

11246425631 has 12 divisors (see below), whose sum is σ = 13036677456. Its totient is φ = 9503991840.

The previous prime is 11246425601. The next prime is 11246425639. The reversal of 11246425631 is 13652464211.

It is a de Polignac number, because none of the positive numbers 2k-11246425631 is a prime.

It is a super-2 number, since 2×112464256312 (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 = 11246425591 and 11246425600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11246425639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124070 + ... + 194643.

It is an arithmetic number, because the mean of its divisors is an integer number (1086389788).

Almost surely, 211246425631 is an apocalyptic number.

11246425631 is a deficient number, since it is larger than the sum of its proper divisors (1790251825).

11246425631 is an frugal number, since it uses more digits than its factorization.

11246425631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318862 (or 318791 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

Adding to 11246425631 its reverse (13652464211), we get a palindrome (24898889842).

The spelling of 11246425631 in words is "eleven billion, two hundred forty-six million, four hundred twenty-five thousand, six hundred thirty-one".

Divisors: 1 7 71 497 5041 35287 318713 2230991 22628623 158400361 1606632233 11246425631