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21023211300297 = 39077726281257
BaseRepresentation
bin1001100011110110110010…
…00010101010010111001001
32202102210120202001011020120
410301323121002222113021
510223421014043102142
6112413532511213453
74266606526411233
oct461733102522711
982383522034216
1021023211300297
116775991783438
122436532b17289
13b9663235139b
14529759277253
15266cde2497ec
hex131ed90aa5c9

21023211300297 has 8 divisors (see below), whose sum is σ = 28061853529056. Its totient is φ = 14000021635872.

The previous prime is 21023211300293. The next prime is 21023211300367. The reversal of 21023211300297 is 79200311232012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21023211300297 - 22 = 21023211300293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21023211300293) 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, 3863137908 + ... + 3863143349.

It is an arithmetic number, because the mean of its divisors is an integer number (3507731691132).

Almost surely, 221023211300297 is an apocalyptic number.

It is an amenable number.

21023211300297 is a deficient number, since it is larger than the sum of its proper divisors (7038642228759).

21023211300297 is an equidigital number, since it uses as much as digits as its factorization.

21023211300297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7726282167.

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 21023211300297 in words is "twenty-one trillion, twenty-three billion, two hundred eleven million, three hundred thousand, two hundred ninety-seven".

Divisors: 1 3 907 2721 7726281257 23178843771 7007737100099 21023211300297