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393850946141 = 534773658303
BaseRepresentation
bin1011011101100110101…
…10001000001001011101
31101122121011001001212022
411232303112020021131
522423101320234031
6500533240345525
740311664543202
oct5566326101135
91348534031768
10393850946141
11142038656204
12643b7a752a5
132b1a8715233
14150c3673ca9
15a3a1b6b97b
hex5bb358825d

393850946141 has 4 divisors (see below), whose sum is σ = 393924609792. Its totient is φ = 393777282492.

The previous prime is 393850946119. The next prime is 393850946183. The reversal of 393850946141 is 141649058393.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141649058393 = 330742833099.

It is a cyclic number.

It is not a de Polignac number, because 393850946141 - 226 = 393783837277 is a prime.

It is a super-3 number, since 3×3938509461413 (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393850946441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36823805 + ... + 36834498.

It is an arithmetic number, because the mean of its divisors is an integer number (98481152448).

Almost surely, 2393850946141 is an apocalyptic number.

It is an amenable number.

393850946141 is a deficient number, since it is larger than the sum of its proper divisors (73663651).

393850946141 is an equidigital number, since it uses as much as digits as its factorization.

393850946141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73663650.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 393850946141 in words is "three hundred ninety-three billion, eight hundred fifty million, nine hundred forty-six thousand, one hundred forty-one".

Divisors: 1 5347 73658303 393850946141