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10310322020 = 2251977013733
BaseRepresentation
bin10011001101000101…
…10000011101100100
3222121112200121220112
421212202300131210
5132103420301040
64423025552152
7513333201605
oct114642603544
928545617815
1010310322020
1144109a9599
121bb8aa5658
13c8409057b
146db461dac
1540525a365
hex2668b0764

10310322020 has 48 divisors (see below), whose sum is σ = 21798464688. Its totient is φ = 4096243200.

The previous prime is 10310322019. The next prime is 10310322059. The reversal of 10310322020 is 2022301301.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2177528896 + 8132793124 = 46664^2 + 90182^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10310321986 and 10310322004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2760074 + ... + 2763806.

It is an arithmetic number, because the mean of its divisors is an integer number (454134681).

Almost surely, 210310322020 is an apocalyptic number.

10310322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10310322020 is an abundant number, since it is smaller than the sum of its proper divisors (11488142668).

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

10310322020 is a wasteful number, since it uses less digits than its factorization.

10310322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4640 (or 4638 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10310322020 its reverse (2022301301), we get a palindrome (12332623321).

The spelling of 10310322020 in words is "ten billion, three hundred ten million, three hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 197 394 701 788 985 1402 1970 2804 3505 3733 3940 7010 7466 14020 14932 18665 37330 74660 138097 276194 552388 690485 735401 1380970 1470802 2616833 2761940 2941604 3677005 5233666 7354010 10467332 13084165 14708020 26168330 52336660 515516101 1031032202 2062064404 2577580505 5155161010 10310322020