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394741631607 = 3145043907183
BaseRepresentation
bin1011011111010000110…
…11110100101001110111
31101201220020000120121220
411233220123310221313
522431412324202412
6501201455041423
740343031335631
oct5575033645167
91351806016556
10394741631607
111424553a63a4
1264606210273
132b2bb0ca05b
1415169a87a51
15a404e5868c
hex5be86f4a77

394741631607 has 8 divisors (see below), whose sum is σ = 526326384384. Its totient is φ = 263158983288.

The previous prime is 394741631539. The next prime is 394741631617. The reversal of 394741631607 is 706136147493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 394741631607 - 214 = 394741615223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 394741631607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394741631617) 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, 18463 + ... + 888720.

It is an arithmetic number, because the mean of its divisors is an integer number (65790798048).

Almost surely, 2394741631607 is an apocalyptic number.

394741631607 is a deficient number, since it is larger than the sum of its proper divisors (131584752777).

394741631607 is a wasteful number, since it uses less digits than its factorization.

394741631607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052229.

The product of its (nonzero) digits is 2286144, while the sum is 51.

The spelling of 394741631607 in words is "three hundred ninety-four billion, seven hundred forty-one million, six hundred thirty-one thousand, six hundred seven".

Divisors: 1 3 145043 435129 907183 2721549 131580543869 394741631607