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34020051451 = 138739245209
BaseRepresentation
bin11111101011110000…
…001100100111111011
310020210220201200020121
4133223300030213323
51024133113121301
623343435434111
72313022444321
oct375360144773
9106726650217
1034020051451
1113478483201
1267152b5937
1332921b7479
14190a2dbd11
15d41a103a1
hex7ebc0c9fb

34020051451 has 4 divisors (see below), whose sum is σ = 34020435400. Its totient is φ = 34019667504.

The previous prime is 34020051353. The next prime is 34020051491. The reversal of 34020051451 is 15415002043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 34020051451 - 223 = 34011662843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34020051491) 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, 16135 + ... + 261343.

It is an arithmetic number, because the mean of its divisors is an integer number (8505108850).

Almost surely, 234020051451 is an apocalyptic number.

34020051451 is a deficient number, since it is larger than the sum of its proper divisors (383949).

34020051451 is a wasteful number, since it uses less digits than its factorization.

34020051451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383948.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 34020051451 its reverse (15415002043), we get a palindrome (49435053494).

The spelling of 34020051451 in words is "thirty-four billion, twenty million, fifty-one thousand, four hundred fifty-one".

Divisors: 1 138739 245209 34020051451