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1868461053 = 31871332881
BaseRepresentation
bin110111101011110…
…0111001111111101
311211012211122201020
41233113213033331
512311311223203
6505223334353
764205441214
oct15727471775
94735748636
101868461053
11879774498
124418b13b9
1323a140274
1413a21807b
15ae07d153
hex6f5e73fd

1868461053 has 8 divisors (see below), whose sum is σ = 2492620416. Its totient is φ = 1244971200.

The previous prime is 1868461037. The next prime is 1868461079. The reversal of 1868461053 is 3501648681.

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

It is not a de Polignac number, because 1868461053 - 24 = 1868461037 is a prime.

It is a super-2 number, since 2×18684610532 = 6982293413155737618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1868460996 and 1868461014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868461033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160828 + ... + 172053.

It is an arithmetic number, because the mean of its divisors is an integer number (311577552).

Almost surely, 21868461053 is an apocalyptic number.

It is an amenable number.

1868461053 is a deficient number, since it is larger than the sum of its proper divisors (624159363).

1868461053 is a wasteful number, since it uses less digits than its factorization.

1868461053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334755.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1868461053 is about 43225.6989879863. The cubic root of 1868461053 is about 1231.6709071124.

The spelling of 1868461053 in words is "one billion, eight hundred sixty-eight million, four hundred sixty-one thousand, fifty-three".

Divisors: 1 3 1871 5613 332881 998643 622820351 1868461053