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94216460809 = 3069472
BaseRepresentation
bin101011110111110111…
…1010001101000001001
3100000012002220002222111
41113233233101220021
53020423403221214
6111141001422321
76543525463132
oct1275757215011
9300162802874
1094216460809
1136a58810549
1216314a9a9a1
138b665424c3
1447bacbac89
1526b660d5c4
hex15efbd1a09

94216460809 has 3 divisors (see below), whose sum is σ = 94216767757. Its totient is φ = 94216153862.

The previous prime is 94216460771. The next prime is 94216460813. The reversal of 94216460809 is 90806461249.

The square root of 94216460809 is 306947.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 94216460809 - 215 = 94216428041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94216460839) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 153474 + ... + 460420.

Almost surely, 294216460809 is an apocalyptic number.

94216460809 is the 306947-th square number.

94216460809 is the 153474-th centered octagonal number.

It is an amenable number.

94216460809 is a deficient number, since it is larger than the sum of its proper divisors (306948).

94216460809 is an frugal number, since it uses more digits than its factorization.

94216460809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613894 (or 306947 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

Multiplying 94216460809 by its sum of digits (49), we get a square (4616606579641 = 21486292).

It can be divided in two parts, 94216 and 460809, that added together give a square (555025 = 7452).

The spelling of 94216460809 in words is "ninety-four billion, two hundred sixteen million, four hundred sixty thousand, eight hundred nine".

Divisors: 1 306947 94216460809