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10230723531 = 327405140087
BaseRepresentation
bin10011000011100110…
…00111001111001011
3222101222220121022100
421201303013033023
5131423031123111
64411103524443
7511345500210
oct114163071713
928358817270
1010230723531
11437aa82016
121b962b9723
13c70740b82
146d0a61b07
153ed285756
hex261cc73cb

10230723531 has 24 divisors (see below), whose sum is σ = 16893403904. Its totient is φ = 5844538800.

The previous prime is 10230723493. The next prime is 10230723533. The reversal of 10230723531 is 13532703201.

10230723531 is a `hidden beast` number, since 1 + 0 + 2 + 307 + 2 + 353 + 1 = 666.

It is not a de Polignac number, because 10230723531 - 26 = 10230723467 is a prime.

It is a super-2 number, since 2×102307235312 (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 = 10230723495 and 10230723504.

It is not an unprimeable number, because it can be changed into a prime (10230723533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235170 + ... + 275256.

Almost surely, 210230723531 is an apocalyptic number.

10230723531 is a deficient number, since it is larger than the sum of its proper divisors (6662680373).

10230723531 is a wasteful number, since it uses less digits than its factorization.

10230723531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44151 (or 44148 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The spelling of 10230723531 in words is "ten billion, two hundred thirty million, seven hundred twenty-three thousand, five hundred thirty-one".

Divisors: 1 3 7 9 21 63 4051 12153 28357 36459 40087 85071 120261 255213 280609 360783 841827 2525481 162392437 487177311 1136747059 1461531933 3410241177 10230723531