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20231414021 = 713217101787
BaseRepresentation
bin10010110101111000…
…101110000100000101
31221012221222022121102
4102311320232010011
5312413220222041
613143313225445
71314232116230
oct226570560405
957187868542
1020231414021
118642118885
123b07562285
131ba5610700
14d9cd24417
157d622d09b
hex4b5e2e105

20231414021 has 12 divisors (see below), whose sum is σ = 25037017632. Its totient is φ = 16007271696.

The previous prime is 20231414011. The next prime is 20231414023. The reversal of 20231414021 is 12041413202.

It is not a de Polignac number, because 20231414021 - 222 = 20227219717 is a prime.

It is a super-2 number, since 2×202314140212 (a number of 21 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 = 20231413984 and 20231414002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231414023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8549711 + ... + 8552076.

It is an arithmetic number, because the mean of its divisors is an integer number (2086418136).

Almost surely, 220231414021 is an apocalyptic number.

It is an amenable number.

20231414021 is a deficient number, since it is larger than the sum of its proper divisors (4805603611).

20231414021 is a wasteful number, since it uses less digits than its factorization.

20231414021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17101820 (or 17101807 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20231414021 its reverse (12041413202), we get a palindrome (32272827223).

The spelling of 20231414021 in words is "twenty billion, two hundred thirty-one million, four hundred fourteen thousand, twenty-one".

Divisors: 1 7 13 91 169 1183 17101787 119712509 222323231 1556262617 2890202003 20231414021