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10121120213 = 26873766699
BaseRepresentation
bin10010110110100010…
…00000100111010101
3222010100200011211012
421123101000213111
5131212001321323
64352150422005
7505545050051
oct113321004725
928110604735
1010121120213
114324121466
121b65661905
13c53b17239
146c0290c61
153e3835678
hex25b4409d5

10121120213 has 4 divisors (see below), whose sum is σ = 10124889600. Its totient is φ = 10117350828.

The previous prime is 10121120189. The next prime is 10121120237. The reversal of 10121120213 is 31202112101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (10121120189) and next prime (10121120237).

It is a cyclic number.

It is not a de Polignac number, because 10121120213 - 222 = 10116925909 is a prime.

It is a super-3 number, since 3×101211202133 (a number of 31 digits) contains 333 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 (10121122213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1880663 + ... + 1886036.

It is an arithmetic number, because the mean of its divisors is an integer number (2531222400).

Almost surely, 210121120213 is an apocalyptic number.

It is an amenable number.

10121120213 is a deficient number, since it is larger than the sum of its proper divisors (3769387).

10121120213 is an equidigital number, since it uses as much as digits as its factorization.

10121120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769386.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10121120213 its reverse (31202112101), we get a palindrome (41323232314).

The spelling of 10121120213 in words is "ten billion, one hundred twenty-one million, one hundred twenty thousand, two hundred thirteen".

Divisors: 1 2687 3766699 10121120213