Search a number
-
+
93121021200121 = 793474637336859
BaseRepresentation
bin10101001011000101101101…
…011000111100011011111001
3110012201021122002002111121121
4111023011231120330123321
544201143322411400441
6530015112341305241
725420525500123205
oct2513055530743371
9405637562074547
1093121021200121
11277424488977a2
12a53b589705221
133cc6375455605
1418dd11d7cbb05
15ab7458a43dd1
hex54b16d63c6f9

93121021200121 has 16 divisors (see below), whose sum is σ = 94775796633600. Its totient is φ = 91479291151248.

The previous prime is 93121021200047. The next prime is 93121021200239. The reversal of 93121021200121 is 12100212012139.

It is a cyclic number.

It is not a de Polignac number, because 93121021200121 - 223 = 93121012811513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93121021200721) 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, 9023790 + ... + 16360648.

It is an arithmetic number, because the mean of its divisors is an integer number (5923487289600).

Almost surely, 293121021200121 is an apocalyptic number.

It is an amenable number.

93121021200121 is a deficient number, since it is larger than the sum of its proper divisors (1654775433479).

93121021200121 is a wasteful number, since it uses less digits than its factorization.

93121021200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7337748.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 93121021200121 in words is "ninety-three trillion, one hundred twenty-one billion, twenty-one million, two hundred thousand, one hundred twenty-one".

Divisors: 1 79 347 463 27413 36577 160661 7336859 12692219 579611861 2545890073 3396965717 201125315767 268360291643 1178747103799 93121021200121