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21010332301 = 719722736703
BaseRepresentation
bin10011100100010100…
…000011101010001101
32000020020122110121121
4103210110003222031
5321012121113201
613352500200541
71342440610060
oct234424035215
960206573547
1021010332301
118a0186a6a2
1240a4399151
131c9aac19ba
1410345628d7
1582e7dd9a1
hex4e4503a8d

21010332301 has 16 divisors (see below), whose sum is σ = 24147915264. Its totient is φ = 17906886144.

The previous prime is 21010332269. The next prime is 21010332311. The reversal of 21010332301 is 10323301012.

It is not a de Polignac number, because 21010332301 - 25 = 21010332269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010332311) 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, 3131116 + ... + 3137818.

It is an arithmetic number, because the mean of its divisors is an integer number (1509244704).

Almost surely, 221010332301 is an apocalyptic number.

It is an amenable number.

21010332301 is a deficient number, since it is larger than the sum of its proper divisors (3137582963).

21010332301 is a wasteful number, since it uses less digits than its factorization.

21010332301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9180.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21010332301 its reverse (10323301012), we get a palindrome (31333633313).

The spelling of 21010332301 in words is "twenty-one billion, ten million, three hundred thirty-two thousand, three hundred one".

Divisors: 1 7 197 1379 2273 6703 15911 46921 447781 1320491 3134467 9243437 15235919 106651433 3001476043 21010332301