Search a number
-
+
94881864841 = 89234612
BaseRepresentation
bin101100001011101100…
…1100101110010001001
3100001220110222010201021
41120113121211302021
53023304224133331
6111331011352441
76566155354441
oct1302731456211
9301813863637
1094881864841
113726a380435
121647b8b2721
138c4135a9ba
14484140b121
152704c4a211
hex1617665c89

94881864841 has 9 divisors (see below), whose sum is σ = 95987665813. Its totient is φ = 93788669920.

The previous prime is 94881864817. The next prime is 94881864851. The reversal of 94881864841 is 14846818849.

The square root of 94881864841 is 308029.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 35336104441 + 59545760400 = 187979^2 + 244020^2 .

It is not a de Polignac number, because 94881864841 - 229 = 94344993929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 94881864841.

It is not an unprimeable number, because it can be changed into a prime (94881864851) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27412851 + ... + 27416311.

Almost surely, 294881864841 is an apocalyptic number.

94881864841 is the 308029-th square number.

94881864841 is the 154015-th centered octagonal number.

It is an amenable number.

94881864841 is a deficient number, since it is larger than the sum of its proper divisors (1105800972).

94881864841 is an frugal number, since it uses more digits than its factorization.

94881864841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100 (or 3550 counting only the distinct ones).

The product of its digits is 14155776, while the sum is 61.

The spelling of 94881864841 in words is "ninety-four billion, eight hundred eighty-one million, eight hundred sixty-four thousand, eight hundred forty-one".

Divisors: 1 89 3461 7921 308029 11978521 27414581 1066088369 94881864841