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34025143531 = 56957597383
BaseRepresentation
bin11111101100000011…
…100111110011101011
310020211021022101021011
4133230003213303223
51024140414043111
623344140524351
72313113643121
oct375403476353
9106737271234
1034025143531
1113480340a35
126716b506b7
13329327b132
14190ac65911
15d421b9021
hex7ec0e7ceb

34025143531 has 4 divisors (see below), whose sum is σ = 34025797872. Its totient is φ = 34024489192.

The previous prime is 34025143511. The next prime is 34025143543. The reversal of 34025143531 is 13534152043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13534152043 = 86231569541.

It is a cyclic number.

It is not a de Polignac number, because 34025143531 - 211 = 34025141483 is a prime.

It is a super-2 number, since 2×340251435312 (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 = 34025143493 and 34025143502.

It is not an unprimeable number, because it can be changed into a prime (34025143511) 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, 241735 + ... + 355648.

It is an arithmetic number, because the mean of its divisors is an integer number (8506449468).

Almost surely, 234025143531 is an apocalyptic number.

34025143531 is a deficient number, since it is larger than the sum of its proper divisors (654341).

34025143531 is an equidigital number, since it uses as much as digits as its factorization.

34025143531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654340.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 34025143531 its reverse (13534152043), we get a palindrome (47559295574).

The spelling of 34025143531 in words is "thirty-four billion, twenty-five million, one hundred forty-three thousand, five hundred thirty-one".

Divisors: 1 56957 597383 34025143531