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1020212331023 = 5719831817611
BaseRepresentation
bin11101101100010010110…
…01001100001000001111
310121112100100111020010202
432312021121030020033
5113203343324043043
62100402402524115
7133464545505554
oct16661131141017
93545310436122
101020212331023
1136374029a3a6
1214588306663b
1375289957322
1437542a00a2b
151b810e751b8
hexed8964c20f

1020212331023 has 8 divisors (see below), whose sum is σ = 1023039278976. Its totient is φ = 1017389021400.

The previous prime is 1020212331013. The next prime is 1020212331029. The reversal of 1020212331023 is 3201332120201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020212331023 - 216 = 1020212265487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020212330986 and 1020212331004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020212331029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347513 + ... + 1470098.

It is an arithmetic number, because the mean of its divisors is an integer number (127879909872).

Almost surely, 21020212331023 is an apocalyptic number.

1020212331023 is a deficient number, since it is larger than the sum of its proper divisors (2826947953).

1020212331023 is an equidigital number, since it uses as much as digits as its factorization.

1020212331023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819165.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1020212331023 its reverse (3201332120201), we get a palindrome (4221544451224).

The spelling of 1020212331023 in words is "one trillion, twenty billion, two hundred twelve million, three hundred thirty-one thousand, twenty-three".

Divisors: 1 571 983 561293 1817611 1037855881 1786711613 1020212331023