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10311113312020 = 225515555665601
BaseRepresentation
bin1001011000001011111000…
…1111110000011100010100
31100111201210012211000200101
42112002332033300130110
52322414130001441040
633532505435023444
72112645000020353
oct226027617603424
940451705730611
1010311113312020
113315a11722104
1211a6442b9ab84
1359a4455064b1
142790bc1d999a
1512d3380c509a
hex960be3f0714

10311113312020 has 12 divisors (see below), whose sum is σ = 21653337955284. Its totient is φ = 4124445324800.

The previous prime is 10311113312011. The next prime is 10311113312089. The reversal of 10311113312020 is 2021331111301.

It can be written as a sum of positive squares in 2 ways, for example, as 2559276851076 + 7751836460944 = 1599774^2 + 2784212^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257777832781 + ... + 257777832820.

It is an arithmetic number, because the mean of its divisors is an integer number (1804444829607).

Almost surely, 210311113312020 is an apocalyptic number.

10311113312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10311113312020 is an abundant number, since it is smaller than the sum of its proper divisors (11342224643264).

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

10311113312020 is a wasteful number, since it uses less digits than its factorization.

10311113312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515555665610 (or 515555665608 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 10311113312020 its reverse (2021331111301), we get a palindrome (12332444423321).

The spelling of 10311113312020 in words is "ten trillion, three hundred eleven billion, one hundred thirteen million, three hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 515555665601 1031111331202 2062222662404 2577778328005 5155556656010 10311113312020