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10303131402 = 23210111350153
BaseRepresentation
bin10011001100001110…
…10100111100001010
3222121001011022020100
421212013110330022
5132100100201102
64422211510230
7513215112654
oct114607247412
928531138210
1010303131402
114407938133
121bb65b8376
13c82743675
146da50d6d4
154047d9a1c
hex2661d4f0a

10303131402 has 48 divisors (see below), whose sum is σ = 22744437768. Its totient is φ = 3370214400.

The previous prime is 10303131389. The next prime is 10303131491. The reversal of 10303131402 is 20413130301.

It can be written as a sum of positive squares in 4 ways, for example, as 8645094441 + 1658036961 = 92979^2 + 40719^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180358 + ... + 230510.

Almost surely, 210303131402 is an apocalyptic number.

10303131402 is an abundant number, since it is smaller than the sum of its proper divisors (12441306366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10303131402 is a wasteful number, since it uses less digits than its factorization.

10303131402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50375 (or 50372 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10303131402 its reverse (20413130301), we get a palindrome (30716261703).

The spelling of 10303131402 in words is "ten billion, three hundred three million, one hundred thirty-one thousand, four hundred two".

Divisors: 1 2 3 6 9 18 101 113 202 226 303 339 606 678 909 1017 1818 2034 11413 22826 34239 50153 68478 100306 102717 150459 205434 300918 451377 902754 5065453 5667289 10130906 11334578 15196359 17001867 30392718 34003734 45589077 51005601 91178154 102011202 572396189 1144792378 1717188567 3434377134 5151565701 10303131402