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434402444431 = 1921637735083
BaseRepresentation
bin1100101001001000110…
…01110100010010001111
31112112021020211121210101
412110210121310102033
524104124011210211
6531321155551531
743245616565554
oct6244431642217
91475236747711
10434402444431
1115825794505a
12702345bb5a7
1331c6bb10c37
141704d1a0a2b
15b476c905c1
hex652467448f

434402444431 has 12 divisors (see below), whose sum is σ = 458749752552. Its totient is φ = 411287199984.

The previous prime is 434402444417. The next prime is 434402444467. The reversal of 434402444431 is 134444204434.

It is not a de Polignac number, because 434402444431 - 221 = 434400347279 is a prime.

It is a super-2 number, since 2×4344024444312 (a number of 24 digits) contains 22 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 (434402444471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223416 + ... + 958498.

It is an arithmetic number, because the mean of its divisors is an integer number (38229146046).

Almost surely, 2434402444431 is an apocalyptic number.

434402444431 is a deficient number, since it is larger than the sum of its proper divisors (24347308121).

434402444431 is a wasteful number, since it uses less digits than its factorization.

434402444431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736758 (or 736739 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 434402444431 its reverse (134444204434), we get a palindrome (568846648865).

The spelling of 434402444431 in words is "four hundred thirty-four billion, four hundred two million, four hundred forty-four thousand, four hundred thirty-one".

Divisors: 1 19 361 1637 31103 590957 735083 13966577 265364963 1203330871 22863286549 434402444431