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214225651421 = 2909425917291
BaseRepresentation
bin1100011110000011011…
…0000000011011011101
3202110221202100122121222
43013200312000123131
512002213231321141
6242225223103125
721322465664255
oct3074066003335
9673852318558
10214225651421
1182941882711
12356278a1aa5
13172805c6bb2
14a523536965
15588c2cc14b
hex31e0d806dd

214225651421 has 8 divisors (see below), whose sum is σ = 214362007200. Its totient is φ = 214089344560.

The previous prime is 214225651391. The next prime is 214225651477. The reversal of 214225651421 is 124156522412.

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-214225651421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214225651481) 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, 12380786 + ... + 12398076.

It is an arithmetic number, because the mean of its divisors is an integer number (26795250900).

Almost surely, 2214225651421 is an apocalyptic number.

It is an amenable number.

214225651421 is a deficient number, since it is larger than the sum of its proper divisors (136355779).

214225651421 is a wasteful number, since it uses less digits than its factorization.

214225651421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24459.

The product of its digits is 38400, while the sum is 35.

The spelling of 214225651421 in words is "two hundred fourteen billion, two hundred twenty-five million, six hundred fifty-one thousand, four hundred twenty-one".

Divisors: 1 2909 4259 17291 12389431 50299519 73642369 214225651421