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10313011322021 = 87995311719957
BaseRepresentation
bin1001011000010010111101…
…1000000101110010100101
31100111220200111020220221002
42112010233120011302211
52322432021344301041
633533422040003045
72113043014601252
oct226045730056245
940456614226832
1010313011322021
1133167a6039111
1211a6892760485
1359a6887c1335
1427921c306429
1512d3e9a3d59b
hex9612f605ca5

10313011322021 has 4 divisors (see below), whose sum is σ = 10313023921932. Its totient is φ = 10312998722112.

The previous prime is 10313011322017. The next prime is 10313011322041. The reversal of 10313011322021 is 12022311031301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8679947130625 + 1633064191396 = 2946175^2 + 1277914^2 .

It is a cyclic number.

It is not a de Polignac number, because 10313011322021 - 22 = 10313011322017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10313011321984 and 10313011322002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10313011322041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4980026 + ... + 6739931.

It is an arithmetic number, because the mean of its divisors is an integer number (2578255980483).

Almost surely, 210313011322021 is an apocalyptic number.

It is an amenable number.

10313011322021 is a deficient number, since it is larger than the sum of its proper divisors (12599911).

10313011322021 is an equidigital number, since it uses as much as digits as its factorization.

10313011322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12599910.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10313011322021 its reverse (12022311031301), we get a palindrome (22335322353322).

The spelling of 10313011322021 in words is "ten trillion, three hundred thirteen billion, eleven million, three hundred twenty-two thousand, twenty-one".

Divisors: 1 879953 11719957 10313011322021