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1213414426405 = 51367177529543
BaseRepresentation
bin10001101010000101001…
…000101100011100100101
311022000000221022120121001
4101222011020230130211
5124340033043121110
62325233534153301
7153444353305636
oct21520510543445
94260027276531
101213414426405
114286738a0205
12177202052831
138a5697ac51c
1442a2dd3188d
152186c70063a
hex11a8522c725

1213414426405 has 8 divisors (see below), whose sum is σ = 1457162497152. Its totient is φ = 970021417488.

The previous prime is 1213414426403. The next prime is 1213414426429. The reversal of 1213414426405 is 5046244143121.

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 1213414426405 - 21 = 1213414426403 is a prime.

It is a super-2 number, since 2×12134144264052 (a number of 25 digits) contains 22 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 (1213414426403) 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, 88757937 + ... + 88771606.

It is an arithmetic number, because the mean of its divisors is an integer number (182145312144).

Almost surely, 21213414426405 is an apocalyptic number.

It is an amenable number.

1213414426405 is a deficient number, since it is larger than the sum of its proper divisors (243748070747).

1213414426405 is a wasteful number, since it uses less digits than its factorization.

1213414426405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177530915.

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 1213414426405 its reverse (5046244143121), we get a palindrome (6259658569526).

The spelling of 1213414426405 in words is "one trillion, two hundred thirteen billion, four hundred fourteen million, four hundred twenty-six thousand, four hundred five".

Divisors: 1 5 1367 6835 177529543 887647715 242682885281 1213414426405