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10020232021 = 173183229081
BaseRepresentation
bin10010101010100000…
…01001101101010101
3221212022211112020111
421111100021231111
5131010134411041
64334144203021
7503211365302
oct112520115525
927768745214
1010020232021
114282183698
121b37909471
13c38c52397
146b0b0c0a9
153d9a57981
hex255409b55

10020232021 has 16 divisors (see below), whose sum is σ = 11083903488. Its totient is φ = 9016588800.

The previous prime is 10020231973. The next prime is 10020232031. The reversal of 10020232021 is 12023202001.

It is not a de Polignac number, because 10020232021 - 29 = 10020231509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020231992 and 10020232010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020232031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70800 + ... + 158281.

It is an arithmetic number, because the mean of its divisors is an integer number (692743968).

Almost surely, 210020232021 is an apocalyptic number.

It is an amenable number.

10020232021 is a deficient number, since it is larger than the sum of its proper divisors (1063671467).

10020232021 is a wasteful number, since it uses less digits than its factorization.

10020232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229212.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 10020232021 its reverse (12023202001), we get a palindrome (22043434022).

The spelling of 10020232021 in words is "ten billion, twenty million, two hundred thirty-two thousand, twenty-one".

Divisors: 1 17 31 83 527 1411 2573 43741 229081 3894377 7101511 19013723 120725687 323233291 589425413 10020232021