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10021053551 = 43769303053
BaseRepresentation
bin10010101010100110…
…10010010001101111
3221212101101021011112
421111103102101233
5131010342203201
64334213542235
7503221356365
oct112523222157
927771337145
1010021053551
114282694943
121b3804497b
13c3917c2b2
146b0c83635
153d9b6b0bb
hex2554d246f

10021053551 has 8 divisors (see below), whose sum is σ = 10267469520. Its totient is φ = 9775245312.

The previous prime is 10021053533. The next prime is 10021053569. The reversal of 10021053551 is 15535012001.

It is a happy number.

10021053551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10021053533) and next prime (10021053569).

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 10021053551 - 222 = 10016859247 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 (10021053851) 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, 118460 + ... + 184593.

It is an arithmetic number, because the mean of its divisors is an integer number (1283433690).

Almost surely, 210021053551 is an apocalyptic number.

10021053551 is a deficient number, since it is larger than the sum of its proper divisors (246415969).

10021053551 is an equidigital number, since it uses as much as digits as its factorization.

10021053551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303865.

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 10021053551 its reverse (15535012001), we get a palindrome (25556065552).

The spelling of 10021053551 in words is "ten billion, twenty-one million, fifty-three thousand, five hundred fifty-one".

Divisors: 1 43 769 33067 303053 13031279 233047757 10021053551