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10252231531 = 172326220541
BaseRepresentation
bin10011000110001010…
…01010001101101011
3222110111101022201221
421203011022031223
5131444032402111
64413152522511
7512026346563
oct114305121553
928414338657
1010252231531
114391132323
121ba1550437
13c750317b9
146d385dda3
154000d3371
hex26314a36b

10252231531 has 8 divisors (see below), whose sum is σ = 11327274144. Its totient is φ = 9229630080.

The previous prime is 10252231529. The next prime is 10252231541. The reversal of 10252231531 is 13513225201.

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

It is a cyclic number.

It is not a de Polignac number, because 10252231531 - 21 = 10252231529 is a prime.

It is a super-2 number, since 2×102522315312 (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 = 10252231496 and 10252231505.

It is not an unprimeable number, because it can be changed into a prime (10252231501) 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, 13109880 + ... + 13110661.

It is an arithmetic number, because the mean of its divisors is an integer number (1415909268).

Almost surely, 210252231531 is an apocalyptic number.

10252231531 is a deficient number, since it is larger than the sum of its proper divisors (1075042613).

10252231531 is a wasteful number, since it uses less digits than its factorization.

10252231531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26220581.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 10252231531 its reverse (13513225201), we get a palindrome (23765456732).

The spelling of 10252231531 in words is "ten billion, two hundred fifty-two million, two hundred thirty-one thousand, five hundred thirty-one".

Divisors: 1 17 23 391 26220541 445749197 603072443 10252231531