Search a number
-
+
94162445881 = 725927432
BaseRepresentation
bin101011110110010000…
…1001110011000111001
3100000001100020212102121
41113230201032120321
53020321041232011
6111131352001241
76542301404200
oct1275441163071
9300040225377
1094162445881
1136a30278309
12162ba990221
138b582ac7ca
1447b3a5a237
1526b19dde71
hex15ec84e639

94162445881 has 27 divisors (see below), whose sum is σ = 111574080741. Its totient is φ = 79235903544.

The previous prime is 94162445879. The next prime is 94162445893. The reversal of 94162445881 is 18854426149.

The square root of 94162445881 is 306859.

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

It is not a de Polignac number, because 94162445881 - 21 = 94162445879 is a prime.

It is a super-2 number, since 2×941624458812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94162445581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 126732396 + ... + 126733138.

Almost surely, 294162445881 is an apocalyptic number.

94162445881 is the 306859-th square number.

94162445881 is the 153430-th centered octagonal number.

It is an amenable number.

94162445881 is a deficient number, since it is larger than the sum of its proper divisors (17411634860).

94162445881 is an frugal number, since it uses more digits than its factorization.

94162445881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618 (or 809 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 52.

The spelling of 94162445881 in words is "ninety-four billion, one hundred sixty-two million, four hundred forty-five thousand, eight hundred eighty-one".

Divisors: 1 7 49 59 413 743 2891 3481 5201 24367 36407 43837 170569 306859 552049 2148013 2586383 3864343 18104681 27050401 32570891 126732767 227996237 1595973659 1921682569 13451777983 94162445881