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10021023344020 = 2251338542397477
BaseRepresentation
bin1001000111010011001110…
…0010010110010110010100
31022111000000100100210011111
42101310303202112112110
52303141023434002040
633151332232144404
72052665204666413
oct221646342262624
938430010323144
1010021023344020
11321398a4805a7
12115a184538104
13578c94854860
1426903d2bb47a
15125a0a951dea
hex91d33896594

10021023344020 has 24 divisors (see below), whose sum is σ = 22662929717064. Its totient is φ = 3700070157696.

The previous prime is 10021023343949. The next prime is 10021023344027. The reversal of 10021023344020 is 2044332012001.

It can be written as a sum of positive squares in 4 ways, for example, as 49360397584 + 9971662946436 = 222172^2 + 3157794^2 .

It is a super-2 number, since 2×100210233440202 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10021023343982 and 10021023344000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021023344027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19271198479 + ... + 19271198998.

It is an arithmetic number, because the mean of its divisors is an integer number (944288738211).

Almost surely, 210021023344020 is an apocalyptic number.

10021023344020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021023344020 is an abundant number, since it is smaller than the sum of its proper divisors (12641906373044).

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

10021023344020 is a wasteful number, since it uses less digits than its factorization.

10021023344020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38542397499 (or 38542397497 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 10021023344020 its reverse (2044332012001), we get a palindrome (12065355356021).

The spelling of 10021023344020 in words is "ten trillion, twenty-one billion, twenty-three million, three hundred forty-four thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 38542397477 77084794954 154169589908 192711987385 385423974770 501051167201 770847949540 1002102334402 2004204668804 2505255836005 5010511672010 10021023344020