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10311530145 = 357296750543
BaseRepresentation
bin10011001101001110…
…10111011010100001
3222121121222000010220
421212213113122201
5132104222431040
64423111513253
7513346363050
oct114647273241
928547860126
1010311530145
114411654244
121bb9388829
13c843c4437
146db698397
154053e82d0
hex2669d76a1

10311530145 has 64 divisors (see below), whose sum is σ = 19797073920. Its totient is φ = 4483277568.

The previous prime is 10311530143. The next prime is 10311530153. The reversal of 10311530145 is 54103511301.

It is not a de Polignac number, because 10311530145 - 21 = 10311530143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10311530143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 178744 + ... + 229286.

It is an arithmetic number, because the mean of its divisors is an integer number (309329280).

Almost surely, 210311530145 is an apocalyptic number.

10311530145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10311530145 is a deficient number, since it is larger than the sum of its proper divisors (9485543775).

10311530145 is a wasteful number, since it uses less digits than its factorization.

10311530145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50654.

The product of its (nonzero) digits is 900, while the sum is 24.

The spelling of 10311530145 in words is "ten billion, three hundred eleven million, five hundred thirty thousand, one hundred forty-five".

Divisors: 1 3 5 7 15 21 29 35 67 87 105 145 201 203 335 435 469 609 1005 1015 1407 1943 2345 3045 5829 7035 9715 13601 29145 40803 50543 68005 151629 204015 252715 353801 758145 1061403 1465747 1769005 3386381 4397241 5307015 7328735 10159143 10260229 16931905 21986205 23704667 30780687 50795715 51301145 71114001 98205049 118523335 153903435 294615147 355570005 491025245 687435343 1473075735 2062306029 3437176715 10311530145