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21023100103301 = 1710369119264437
BaseRepresentation
bin1001100011110110100100…
…11010011110101010000101
32202102210021222210202122022
410301323102122132222011
510223420302111301201
6112413513500012525
74266604006302602
oct461732232365205
982383258722568
1021023100103301
116775934a3449a
122436501831145
13b966152ba24a
145297485ad6a9
15266cd45d241b
hex131ed269ea85

21023100103301 has 8 divisors (see below), whose sum is σ = 22261899997080. Its totient is φ = 19784538759168.

The previous prime is 21023100103297. The next prime is 21023100103331. The reversal of 21023100103301 is 10330100132012.

It can be written as a sum of positive squares in 4 ways, for example, as 2429626743076 + 18593473360225 = 1558726^2 + 4312015^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 21023100103301 - 22 = 21023100103297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 21023100103301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023100103331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59455946 + ... + 59808491.

It is an arithmetic number, because the mean of its divisors is an integer number (2782737499635).

Almost surely, 221023100103301 is an apocalyptic number.

It is an amenable number.

21023100103301 is a deficient number, since it is larger than the sum of its proper divisors (1238799893779).

21023100103301 is a wasteful number, since it uses less digits than its factorization.

21023100103301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119274823.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21023100103301 its reverse (10330100132012), we get a palindrome (31353200235313).

The spelling of 21023100103301 in words is "twenty-one trillion, twenty-three billion, one hundred million, one hundred three thousand, three hundred one".

Divisors: 1 17 10369 176273 119264437 2027495429 1236652947253 21023100103301