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10303311020 = 2251427361013
BaseRepresentation
bin10011001100010000…
…00000110010101100
3222121001111102121212
421212020000302230
5132100121423040
64422215413552
7513216461432
oct114610006254
928531442555
1010303311020
114407a50082
121bb66842b8
13c827a7352
146da558d52
15404822d65
hex266200cac

10303311020 has 24 divisors (see below), whose sum is σ = 21652175664. Its totient is φ = 4118424896.

The previous prime is 10303311019. The next prime is 10303311041. The reversal of 10303311020 is 2011330301.

It is a junction number, because it is equal to n+sod(n) for n = 10303310986 and 10303311004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151967 + ... + 209046.

It is an arithmetic number, because the mean of its divisors is an integer number (902173986).

Almost surely, 210303311020 is an apocalyptic number.

10303311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10303311020 is an abundant number, since it is smaller than the sum of its proper divisors (11348864644).

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

10303311020 is a wasteful number, since it uses less digits than its factorization.

10303311020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362449 (or 362447 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 10303311020 its reverse (2011330301), we get a palindrome (12314641321).

The spelling of 10303311020 in words is "ten billion, three hundred three million, three hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 1427 2854 5708 7135 14270 28540 361013 722026 1444052 1805065 3610130 7220260 515165551 1030331102 2060662204 2575827755 5151655510 10303311020