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10021011112031 = 37270838138163
BaseRepresentation
bin1001000111010011001011…
…0011101100000001011111
31022110222222111100100000212
42101310302303230001133
52303141012321041111
633151331114043035
72052664666012553
oct221646263540137
938428874310025
1010021011112031
113213983586517
12115a18041947b
13578c921610aa
1426903b815863
15125a0983798b
hex91d32cec05f

10021011112031 has 4 divisors (see below), whose sum is σ = 10291849250232. Its totient is φ = 9750172973832.

The previous prime is 10021011111983. The next prime is 10021011112033. The reversal of 10021011112031 is 13021111012001.

10021011112031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10021011112031 - 230 = 10019937370207 is a prime.

It is a super-2 number, since 2×100210111120312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021011111997 and 10021011112015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021011112033) 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, 135419069045 + ... + 135419069118.

It is an arithmetic number, because the mean of its divisors is an integer number (2572962312558).

Almost surely, 210021011112031 is an apocalyptic number.

10021011112031 is a deficient number, since it is larger than the sum of its proper divisors (270838138201).

10021011112031 is an equidigital number, since it uses as much as digits as its factorization.

10021011112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270838138200.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 10021011112031 its reverse (13021111012001), we get a palindrome (23042122124032).

The spelling of 10021011112031 in words is "ten trillion, twenty-one billion, eleven million, one hundred twelve thousand, thirty-one".

Divisors: 1 37 270838138163 10021011112031