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10221231010 = 251022123101
BaseRepresentation
bin10011000010011101…
…11001101110100010
3222101100001100000111
421201032321232202
5131413113343020
64410124241534
7511202013214
oct114116715642
928340040014
1010221231010
114375689161
121b930a02aa
13c6b7992b3
146cd6b05b4
153ec50cd5a
hex2613b9ba2

10221231010 has 8 divisors (see below), whose sum is σ = 18398215836. Its totient is φ = 4088492400.

The previous prime is 10221231001. The next prime is 10221231017. The reversal of 10221231010 is 1013212201.

10221231010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8969415849 + 1251815161 = 94707^2 + 35381^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10221231017) 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 3 ways as a sum of consecutive naturals, for example, 511061541 + ... + 511061560.

Almost surely, 210221231010 is an apocalyptic number.

10221231010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221231010 is a deficient number, since it is larger than the sum of its proper divisors (8176984826).

10221231010 is a wasteful number, since it uses less digits than its factorization.

10221231010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022123108.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10221231010 its reverse (1013212201), we get a palindrome (11234443211).

The spelling of 10221231010 in words is "ten billion, two hundred twenty-one million, two hundred thirty-one thousand, ten".

Divisors: 1 2 5 10 1022123101 2044246202 5110615505 10221231010