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182008187145 = 32511717345193
BaseRepresentation
bin1010100110000010001…
…0001000100100001001
3122101210110111220010100
42221200202020210021
510440223043442040
6215340255040013
716102222031061
oct2514042104411
9571713456110
10182008187145
1170209970984
122b336210009
13142179c7275
148b487c63a1
154b03b86b30
hex2a60888909

182008187145 has 24 divisors (see below), whose sum is σ = 315508696776. Its totient is φ = 97062467328.

The previous prime is 182008187089. The next prime is 182008187147. The reversal of 182008187145 is 541781800281.

It can be written as a sum of positive squares in 4 ways, for example, as 754491024 + 181253696121 = 27468^2 + 425739^2 .

It is not a de Polignac number, because 182008187145 - 213 = 182008178953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 182008187145.

It is not an unprimeable number, because it can be changed into a prime (182008187147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354669 + ... + 699861.

It is an arithmetic number, because the mean of its divisors is an integer number (13146195699).

Almost surely, 2182008187145 is an apocalyptic number.

182008187145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

182008187145 is a deficient number, since it is larger than the sum of its proper divisors (133500509631).

182008187145 is a wasteful number, since it uses less digits than its factorization.

182008187145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356921 (or 356918 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 45.

The spelling of 182008187145 in words is "one hundred eighty-two billion, eight million, one hundred eighty-seven thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 45 11717 35151 58585 105453 175755 345193 527265 1035579 1725965 3106737 5177895 15533685 4044626381 12133879143 20223131905 36401637429 60669395715 182008187145