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2120503493 = 19111605447
BaseRepresentation
bin111111001100100…
…0101000011000101
312110210002201221102
41332121011003011
513320322102433
6550225425445
7103355660633
oct17631050305
95423081842
102120503493
11998a72729
124b219b285
1327a4194c4
141618a6353
15c62674e8
hex7e6450c5

2120503493 has 4 divisors (see below), whose sum is σ = 2232108960. Its totient is φ = 2008898028.

The previous prime is 2120503487. The next prime is 2120503499. The reversal of 2120503493 is 3943050212.

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.

It is an interprime number because it is at equal distance from previous prime (2120503487) and next prime (2120503499).

It is a cyclic number.

It is not a de Polignac number, because 2120503493 - 28 = 2120503237 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 (2120503499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55802705 + ... + 55802742.

It is an arithmetic number, because the mean of its divisors is an integer number (558027240).

Almost surely, 22120503493 is an apocalyptic number.

It is an amenable number.

2120503493 is a deficient number, since it is larger than the sum of its proper divisors (111605467).

2120503493 is a wasteful number, since it uses less digits than its factorization.

2120503493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111605466.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2120503493 is about 46048.9249928812. The cubic root of 2120503493 is about 1284.7333482548.

The spelling of 2120503493 in words is "two billion, one hundred twenty million, five hundred three thousand, four hundred ninety-three".

Divisors: 1 19 111605447 2120503493