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2042155622 = 21378544447
BaseRepresentation
bin111100110111000…
…1101001001100110
312021022200020212102
41321232031021212
513140242434442
6534350252102
7101415015323
oct17156151146
95238606772
102042155622
1195881a821
1248bab7032
13267117110
1415530db4a
15be43d232
hex79b8d266

2042155622 has 8 divisors (see below), whose sum is σ = 3298866816. Its totient is φ = 942533352.

The previous prime is 2042155589. The next prime is 2042155627. The reversal of 2042155622 is 2265512402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042155627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39272198 + ... + 39272249.

It is an arithmetic number, because the mean of its divisors is an integer number (412358352).

Almost surely, 22042155622 is an apocalyptic number.

2042155622 is a deficient number, since it is larger than the sum of its proper divisors (1256711194).

2042155622 is a wasteful number, since it uses less digits than its factorization.

2042155622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78544462.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2042155622 is about 45190.2159985986. The cubic root of 2042155622 is about 1268.7116995500.

The spelling of 2042155622 in words is "two billion, forty-two million, one hundred fifty-five thousand, six hundred twenty-two".

Divisors: 1 2 13 26 78544447 157088894 1021077811 2042155622