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34200020431 = 44217735811
BaseRepresentation
bin11111110110011110…
…101110010111001111
310021021110101001021101
4133312132232113033
51030020201123211
623413345043531
72320336243243
oct376636562717
9107243331241
1034200020431
11135600245a5
1267656265a7
1332c057a1a5
141926188423
15d5270e5c1
hex7f67ae5cf

34200020431 has 4 divisors (see below), whose sum is σ = 34207760664. Its totient is φ = 34192280200.

The previous prime is 34200020411. The next prime is 34200020461. The reversal of 34200020431 is 13402000243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34200020431 - 215 = 34199987663 is a prime.

It is a super-2 number, since 2×342000204312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34200020399 and 34200020408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34200020411) 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, 3863485 + ... + 3872326.

It is an arithmetic number, because the mean of its divisors is an integer number (8551940166).

Almost surely, 234200020431 is an apocalyptic number.

34200020431 is a deficient number, since it is larger than the sum of its proper divisors (7740233).

34200020431 is an equidigital number, since it uses as much as digits as its factorization.

34200020431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7740232.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 34200020431 its reverse (13402000243), we get a palindrome (47602020674).

The spelling of 34200020431 in words is "thirty-four billion, two hundred million, twenty thousand, four hundred thirty-one".

Divisors: 1 4421 7735811 34200020431