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2042202155 = 5728335519
BaseRepresentation
bin111100110111001…
…1000100000101011
312021022202121200212
41321232120200223
513140300432110
6534351251335
7101415301100
oct17156304053
95238677625
102042202155
11958851784
1248bb19b4b
13267132356
14155322aa7
15be44be05
hex79b9882b

2042202155 has 12 divisors (see below), whose sum is σ = 2850747840. Its totient is φ = 1400367024.

The previous prime is 2042202133. The next prime is 2042202179. The reversal of 2042202155 is 5512022402.

It is not a de Polignac number, because 2042202155 - 28 = 2042201899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2042202155.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4167515 + ... + 4168004.

It is an arithmetic number, because the mean of its divisors is an integer number (237562320).

Almost surely, 22042202155 is an apocalyptic number.

2042202155 is a deficient number, since it is larger than the sum of its proper divisors (808545685).

2042202155 is an equidigital number, since it uses as much as digits as its factorization.

2042202155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8335538 (or 8335531 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2042202155 is about 45190.7308526870. The cubic root of 2042202155 is about 1268.7213358566.

Adding to 2042202155 its reverse (5512022402), we get a palindrome (7554224557).

The spelling of 2042202155 in words is "two billion, forty-two million, two hundred two thousand, one hundred fifty-five".

Divisors: 1 5 7 35 49 245 8335519 41677595 58348633 291743165 408440431 2042202155