Search a number
-
+
21050130123097 = 106335815529899
BaseRepresentation
bin1001100100101000111011…
…00001110100100101011001
32202112101001202120001002121
410302110131201310211121
510224341131302414342
6112434143555101241
74301551563546205
oct462243541644531
982471052501077
1021050130123097
116786345751429
12243b7a5ba1821
13b9903227baba
1452ab903c7b05
152678675e7067
hex13251d874959

21050130123097 has 8 divisors (see below), whose sum is σ = 21075820315200. Its totient is φ = 21024451000080.

The previous prime is 21050130123079. The next prime is 21050130123107. The reversal of 21050130123097 is 79032103105012.

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 21050130123097 - 215 = 21050130090329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21050130123017) 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, 1041654 + ... + 6571552.

It is an arithmetic number, because the mean of its divisors is an integer number (2634477539400).

Almost surely, 221050130123097 is an apocalyptic number.

It is an amenable number.

21050130123097 is a deficient number, since it is larger than the sum of its proper divisors (25690192103).

21050130123097 is a wasteful number, since it uses less digits than its factorization.

21050130123097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5534543.

The product of its (nonzero) digits is 11340, while the sum is 34.

The spelling of 21050130123097 in words is "twenty-one trillion, fifty billion, one hundred thirty million, one hundred twenty-three thousand, ninety-seven".

Divisors: 1 1063 3581 3806603 5529899 5878282637 19802568319 21050130123097