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10031024025 = 32521126072
BaseRepresentation
bin10010101011110010…
…10100011110011001
3221220002010211002100
421111321110132121
5131020420232100
64335211354013
7503402204001
oct112571243631
927802124070
1010031024025
114288284900
121b3b452909
13c3b260599
146b231b001
153da98a400
hex255e54799

10031024025 has 81 divisors (see below), whose sum is σ = 19781086143. Its totient is φ = 4855514400.

The previous prime is 10031023967. The next prime is 10031024039. The reversal of 10031024025 is 52042013001.

The square root of 10031024025 is 100155.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3611168649 + 6419855376 = 60093^2 + 80124^2 .

It is not a de Polignac number, because 10031024025 - 211 = 10031021977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10031023989 and 10031024007.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 16525272 + ... + 16525878.

Almost surely, 210031024025 is an apocalyptic number.

10031024025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10031024025 is the 100155-th square number.

10031024025 is the 50078-th centered octagonal number.

It is an amenable number.

10031024025 is a deficient number, since it is larger than the sum of its proper divisors (9750062118).

10031024025 is an equidigital number, since it uses as much as digits as its factorization.

10031024025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 10031024025 its reverse (52042013001), we get a palindrome (62073037026).

The spelling of 10031024025 in words is "ten billion, thirty-one million, twenty-four thousand, twenty-five".

Divisors: 1 3 5 9 11 15 25 33 45 55 75 99 121 165 225 275 363 495 605 607 825 1089 1815 1821 2475 3025 3035 5445 5463 6677 9075 9105 15175 20031 27225 27315 33385 45525 60093 73447 100155 136575 166925 220341 300465 367235 368449 500775 661023 1101705 1105347 1502325 1836175 1842245 3305115 3316041 4052939 5508525 5526735 9211225 12158817 16525575 16580205 20264695 27633675 36476451 44582329 60794085 82901025 101323475 133746987 182382255 222911645 303970425 401240961 668734935 911911275 1114558225 2006204805 3343674675 10031024025