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182116476820 = 22553171807997
BaseRepresentation
bin1010100110011011111…
…1001110011110010100
3122102002000021120122001
42221212333032132110
510440433304224240
6215355124045044
716105005340315
oct2514677163624
9572060246561
10182116476820
1170265004583
122b366533784
1314234280cb5
148b58d3460c
154b0d42789a
hex2a66fce794

182116476820 has 24 divisors (see below), whose sum is σ = 389660539464. Its totient is φ = 71472126336.

The previous prime is 182116476799. The next prime is 182116476823. The reversal of 182116476820 is 28674611281.

It can be written as a sum of positive squares in 4 ways, for example, as 46518725124 + 135597751696 = 215682^2 + 368236^2 .

It is a super-2 number, since 2×1821164768202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182116476823) 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, 85902939 + ... + 85905058.

It is an arithmetic number, because the mean of its divisors is an integer number (16235855811).

Almost surely, 2182116476820 is an apocalyptic number.

182116476820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182116476820 is an abundant number, since it is smaller than the sum of its proper divisors (207544062644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

182116476820 is a wasteful number, since it uses less digits than its factorization.

182116476820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171808059 (or 171808057 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 182116476820 in words is "one hundred eighty-two billion, one hundred sixteen million, four hundred seventy-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 171807997 343615994 687231988 859039985 1718079970 3436159940 9105823841 18211647682 36423295364 45529119205 91058238410 182116476820