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2215025053 = 16607133379
BaseRepresentation
bin1000010000000110…
…1001100110011101
312201100221221010221
42010001221212131
514014021300203
61003443401341
7105614254663
oct20401514635
95640857127
102215025053
11a3736211a
12519983251
13293b92517
1417026cc33
15ce6d8abd
hex8406999d

2215025053 has 4 divisors (see below), whose sum is σ = 2215175040. Its totient is φ = 2214875068.

The previous prime is 2215025027. The next prime is 2215025069. The reversal of 2215025053 is 3505205122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3505205122 = 21752602561.

It is a cyclic number.

It is not a de Polignac number, because 2215025053 - 213 = 2215016861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215025003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50083 + ... + 83296.

It is an arithmetic number, because the mean of its divisors is an integer number (553793760).

Almost surely, 22215025053 is an apocalyptic number.

It is an amenable number.

2215025053 is a deficient number, since it is larger than the sum of its proper divisors (149987).

2215025053 is a wasteful number, since it uses less digits than its factorization.

2215025053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149986.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2215025053 is about 47064.0526623027. The cubic root of 2215025053 is about 1303.5455584984.

The spelling of 2215025053 in words is "two billion, two hundred fifteen million, twenty-five thousand, fifty-three".

Divisors: 1 16607 133379 2215025053