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394679146242 = 2367981788921
BaseRepresentation
bin1011011111001001011…
…01011101011100000010
31101201201212102222211010
411233210231131130002
522431300330134432
6501151343501350
740341342250563
oct5574455353402
91351655388733
10394679146242
111424230a81a7
12645a92b7856
132b2ab18ca74
141516166016a
15a3ee7143cc
hex5be4b5d702

394679146242 has 16 divisors (see below), whose sum is σ = 801139760352. Its totient is φ = 129596137440.

The previous prime is 394679146229. The next prime is 394679146243. The reversal of 394679146242 is 242641976493.

It is not an unprimeable number, because it can be changed into a prime (394679146243) 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, 490894059 + ... + 490894862.

It is an arithmetic number, because the mean of its divisors is an integer number (50071235022).

Almost surely, 2394679146242 is an apocalyptic number.

394679146242 is an abundant number, since it is smaller than the sum of its proper divisors (406460614110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394679146242 is a wasteful number, since it uses less digits than its factorization.

394679146242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981788993.

The product of its digits is 15676416, while the sum is 57.

The spelling of 394679146242 in words is "three hundred ninety-four billion, six hundred seventy-nine million, one hundred forty-six thousand, two hundred forty-two".

Divisors: 1 2 3 6 67 134 201 402 981788921 1963577842 2945366763 5890733526 65779857707 131559715414 197339573121 394679146242