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1210412213431 = 6119842823171
BaseRepresentation
bin10001100111010010001…
…100001010010010110111
311021201021201010100121221
4101213102030022102313
5124312411011312211
62324020010251211
7153310100025301
oct21472214122267
94251251110557
101210412213431
11427373159163
12176704726b07
138a1ab801945
1442827310971
1521743d70c71
hex119d230a4b7

1210412213431 has 4 divisors (see below), whose sum is σ = 1230255036664. Its totient is φ = 1190569390200.

The previous prime is 1210412213371. The next prime is 1210412213443. The reversal of 1210412213431 is 1343122140121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1210412213431 - 219 = 1210411689143 is a prime.

It is a super-2 number, since 2×12104122134312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210412213396 and 1210412213405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210412213831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9921411525 + ... + 9921411646.

It is an arithmetic number, because the mean of its divisors is an integer number (307563759166).

Almost surely, 21210412213431 is an apocalyptic number.

1210412213431 is a deficient number, since it is larger than the sum of its proper divisors (19842823233).

1210412213431 is an equidigital number, since it uses as much as digits as its factorization.

1210412213431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19842823232.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1210412213431 its reverse (1343122140121), we get a palindrome (2553534353552).

The spelling of 1210412213431 in words is "one trillion, two hundred ten billion, four hundred twelve million, two hundred thirteen thousand, four hundred thirty-one".

Divisors: 1 61 19842823171 1210412213431