Search a number
-
+
8921414121 = 34369158249
BaseRepresentation
bin10000100111100000…
…11111100111101001
3212000202012210110020
420103300133213221
5121232340222441
64033132511053
7434036524464
oct102360374751
925022183406
108921414121
1138689a6524
12188b91b489
13ac23c6789
14608bda2db
15373356e66
hex213c1f9e9

8921414121 has 8 divisors (see below), whose sum is σ = 12171852000. Its totient is φ = 5809292832.

The previous prime is 8921414027. The next prime is 8921414129. The reversal of 8921414121 is 1214141298.

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

It is not a de Polignac number, because 8921414121 - 218 = 8921151977 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (8921414129) 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, 34578996 + ... + 34579253.

It is an arithmetic number, because the mean of its divisors is an integer number (1521481500).

Almost surely, 28921414121 is an apocalyptic number.

It is an amenable number.

8921414121 is a deficient number, since it is larger than the sum of its proper divisors (3250437879).

8921414121 is a wasteful number, since it uses less digits than its factorization.

8921414121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69158295.

The product of its digits is 4608, while the sum is 33.

The square root of 8921414121 is about 94453.2377475754. The cubic root of 8921414121 is about 2074.0118483459.

It can be divided in two parts, 8 and 921414121, that added together give a palindrome (921414129).

The spelling of 8921414121 in words is "eight billion, nine hundred twenty-one million, four hundred fourteen thousand, one hundred twenty-one".

Divisors: 1 3 43 129 69158249 207474747 2973804707 8921414121