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10502054321 = 111546161751
BaseRepresentation
bin10011100011111100…
…01010000110110001
31000002220110122011212
421301332022012301
5133002011214241
64454035245505
7521151663113
oct116176120661
930086418155
1010502054321
1144aa154940
122051149895
13cb4a11635
14718ad13b3
15416ecebeb
hex271f8a1b1

10502054321 has 8 divisors (see below), whose sum is σ = 11457713088. Its totient is φ = 9546550000.

The previous prime is 10502054309. The next prime is 10502054383. The reversal of 10502054321 is 12345020501.

10502054321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10502054321 is a prime.

It is a super-2 number, since 2×105020543212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10502014321) 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, 139196 + ... + 200946.

It is an arithmetic number, because the mean of its divisors is an integer number (1432214136).

Almost surely, 210502054321 is an apocalyptic number.

10502054321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10502054321 is a deficient number, since it is larger than the sum of its proper divisors (955658767).

10502054321 is a wasteful number, since it uses less digits than its factorization.

10502054321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77223.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 10502054321 its reverse (12345020501), we get a palindrome (22847074822).

The spelling of 10502054321 in words is "ten billion, five hundred two million, fifty-four thousand, three hundred twenty-one".

Divisors: 1 11 15461 61751 170071 679261 954732211 10502054321