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154442222132 = 221117206473559
BaseRepresentation
bin1000111111010101111…
…0010100101000110100
3112202122100021210001012
42033311132110220310
510012244202102012
6154541052451352
714105136141122
oct2176536245064
9482570253035
10154442222132
115a553676410
1225b22479b58
13117439a6573
14769173a912
15403daa8622
hex23f5794a34

154442222132 has 24 divisors (see below), whose sum is σ = 312188022720. Its totient is φ = 66071538560.

The previous prime is 154442222119. The next prime is 154442222161. The reversal of 154442222132 is 231222244451.

154442222132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103236032 + ... + 103237527.

It is an arithmetic number, because the mean of its divisors is an integer number (13007834280).

Almost surely, 2154442222132 is an apocalyptic number.

It is an amenable number.

154442222132 is an abundant number, since it is smaller than the sum of its proper divisors (157745800588).

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

154442222132 is a wasteful number, since it uses less digits than its factorization.

154442222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206473591 (or 206473589 counting only the distinct ones).

The product of its digits is 30720, while the sum is 32.

Adding to 154442222132 its reverse (231222244451), we get a palindrome (385664466583).

The spelling of 154442222132 in words is "one hundred fifty-four billion, four hundred forty-two million, two hundred twenty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 206473559 412947118 825894236 2271209149 3510050503 4542418298 7020101006 9084836596 14040202012 38610555533 77221111066 154442222132