Search a number
-
+
20959120215933 = 356312409188997
BaseRepresentation
bin1001100001111111011001…
…11010100100111101111101
32202012200011010100201210020
410300333230322210331331
510221343234233402213
6112324253101002353
74262150352236664
oct460775472447575
982180133321706
1020959120215933
116750792a60119
122426026b533b9
13b9058a161123
145265d931dddb
152652dc77d923
hex130fecea4f7d

20959120215933 has 8 divisors (see below), whose sum is σ = 27995130379488. Its totient is φ = 13947928431504.

The previous prime is 20959120215881. The next prime is 20959120215991. The reversal of 20959120215933 is 33951202195902.

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

It is not a de Polignac number, because 20959120215933 - 210 = 20959120214909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20959120215133) 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, 6204592810 + ... + 6204596187.

It is an arithmetic number, because the mean of its divisors is an integer number (3499391297436).

Almost surely, 220959120215933 is an apocalyptic number.

It is an amenable number.

20959120215933 is a deficient number, since it is larger than the sum of its proper divisors (7036010163555).

20959120215933 is a wasteful number, since it uses less digits than its factorization.

20959120215933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12409189563.

The product of its (nonzero) digits is 1312200, while the sum is 51.

The spelling of 20959120215933 in words is "twenty trillion, nine hundred fifty-nine billion, one hundred twenty million, two hundred fifteen thousand, nine hundred thirty-three".

Divisors: 1 3 563 1689 12409188997 37227566991 6986373405311 20959120215933