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345215073741 = 3115071691247
BaseRepresentation
bin1010000011000000110…
…10111111110111001101
31020000001122001202111220
411001200122333313031
521124000024324431
6422331205033553
733640515465636
oct5014032776715
91200048052456
10345215073741
1112344aa0043a
1256aa39b58b9
1326727474105
14129cc19888d
158ea6e32b96
hex50606bfdcd

345215073741 has 4 divisors (see below), whose sum is σ = 460286764992. Its totient is φ = 230143382492.

The previous prime is 345215073739. The next prime is 345215073757. The reversal of 345215073741 is 147370512543.

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.

It is a cyclic number.

It is not a de Polignac number, because 345215073741 - 21 = 345215073739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345215073693 and 345215073702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345215073041) 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, 57535845621 + ... + 57535845626.

It is an arithmetic number, because the mean of its divisors is an integer number (115071691248).

Almost surely, 2345215073741 is an apocalyptic number.

It is an amenable number.

345215073741 is a deficient number, since it is larger than the sum of its proper divisors (115071691251).

345215073741 is a wasteful number, since it uses less digits than its factorization.

345215073741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115071691250.

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 345215073741 in words is "three hundred forty-five billion, two hundred fifteen million, seventy-three thousand, seven hundred forty-one".

Divisors: 1 3 115071691247 345215073741