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34020870743 = 243291398367
BaseRepresentation
bin11111101011110011…
…010100101001010111
310020210222021022002202
4133223303110221113
51024133320330433
623343505155115
72313032426036
oct375363245127
9106728238082
1034020870743
1113478992802
12671562ba9b
133292413362
14190a47271d
15d41b22ee8
hex7ebcd4a57

34020870743 has 4 divisors (see below), whose sum is σ = 34022293440. Its totient is φ = 34019448048.

The previous prime is 34020870731. The next prime is 34020870757. The reversal of 34020870743 is 34707802043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34707802043 = 56361647961.

It is a cyclic number.

It is not a de Polignac number, because 34020870743 - 212 = 34020866647 is a prime.

It is a super-2 number, since 2×340208707432 (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 = 34020870697 and 34020870706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34020870943) 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, 674855 + ... + 723512.

It is an arithmetic number, because the mean of its divisors is an integer number (8505573360).

Almost surely, 234020870743 is an apocalyptic number.

34020870743 is a deficient number, since it is larger than the sum of its proper divisors (1422697).

34020870743 is a wasteful number, since it uses less digits than its factorization.

34020870743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422696.

The product of its (nonzero) digits is 112896, while the sum is 38.

The spelling of 34020870743 in words is "thirty-four billion, twenty million, eight hundred seventy thousand, seven hundred forty-three".

Divisors: 1 24329 1398367 34020870743