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1394470218241 = 40122871520543
BaseRepresentation
bin10100010010101100111…
…001101110101000000001
311221022101000201202222001
4110102230321232220001
5140321333333440431
62544335532144001
7202514162166232
oct24225471565001
94838330652861
101394470218241
114984340a2421
121a6311308001
13a1662096669
144b6c803d089
152641795ae61
hex144ace6ea01

1394470218241 has 8 divisors (see below), whose sum is σ = 1398559878144. Its totient is φ = 1390383604800.

The previous prime is 1394470218223. The next prime is 1394470218259. The reversal of 1394470218241 is 1428120744931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1394470218223) and next prime (1394470218259).

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 1394470218241 - 29 = 1394470217729 is a prime.

It is a super-2 number, since 2×13944702182412 (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 = 1394470218191 and 1394470218200.

It is not an unprimeable number, because it can be changed into a prime (1394470212241) 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, 156816 + ... + 1677358.

It is an arithmetic number, because the mean of its divisors is an integer number (174819984768).

Almost surely, 21394470218241 is an apocalyptic number.

It is an amenable number.

1394470218241 is a deficient number, since it is larger than the sum of its proper divisors (4089659903).

1394470218241 is a wasteful number, since it uses less digits than its factorization.

1394470218241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523231.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 1394470218241 in words is "one trillion, three hundred ninety-four billion, four hundred seventy million, two hundred eighteen thousand, two hundred forty-one".

Divisors: 1 401 2287 917087 1520543 609737743 3477481841 1394470218241