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1214445313421 = 17127562503619
BaseRepresentation
bin10001101011000010100…
…101001101110110001101
311022002200210010001201122
4101223002211031312031
5124344141000012141
62325524121450325
7153512041561304
oct21530245156615
94262623101648
101214445313421
1142905279a94a
1217744b3409a5
138a6a2242342
1442acabdd43b
15218cce8364b
hex11ac294dd8d

1214445313421 has 8 divisors (see below), whose sum is σ = 1296008340480. Its totient is φ = 1134007293888.

The previous prime is 1214445313409. The next prime is 1214445313453. The reversal of 1214445313421 is 1243135444121.

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-1214445313421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214445316421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281249651 + ... + 281253968.

It is an arithmetic number, because the mean of its divisors is an integer number (162001042560).

Almost surely, 21214445313421 is an apocalyptic number.

It is an amenable number.

1214445313421 is a deficient number, since it is larger than the sum of its proper divisors (81563027059).

1214445313421 is a wasteful number, since it uses less digits than its factorization.

1214445313421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562503763.

The product of its digits is 46080, while the sum is 35.

The spelling of 1214445313421 in words is "one trillion, two hundred fourteen billion, four hundred forty-five million, three hundred thirteen thousand, four hundred twenty-one".

Divisors: 1 17 127 2159 562503619 9562561523 71437959613 1214445313421