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21483076631 = 157191716413
BaseRepresentation
bin10100000000011111…
…011011110000010111
32001110012012100220212
4110000133123300113
5322444131423011
613511424520035
71360241065322
oct240037336027
961405170825
1021483076631
119124700495
1241b678001b
132044a22c83
14107b2617b9
1585b07108b
hex5007dbc17

21483076631 has 8 divisors (see below), whose sum is σ = 21733135104. Its totient is φ = 21234451680.

The previous prime is 21483076627. The next prime is 21483076651. The reversal of 21483076631 is 13667038412.

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

It is a cyclic number.

It is not a de Polignac number, because 21483076631 - 22 = 21483076627 is a prime.

It is a super-2 number, since 2×214830766312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21483076621) 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 7 ways as a sum of consecutive naturals, for example, 328220 + ... + 388193.

It is an arithmetic number, because the mean of its divisors is an integer number (2716641888).

Almost surely, 221483076631 is an apocalyptic number.

21483076631 is a deficient number, since it is larger than the sum of its proper divisors (250058473).

21483076631 is a wasteful number, since it uses less digits than its factorization.

21483076631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716761.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 21483076631 in words is "twenty-one billion, four hundred eighty-three million, seventy-six thousand, six hundred thirty-one".

Divisors: 1 157 191 29987 716413 112476841 136834883 21483076631