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34302013021 = 37927081433
BaseRepresentation
bin11111111100100011…
…110010111001011101
310021112120021210210201
4133330203302321131
51030222303404041
623431431103501
72323015204603
oct377443627135
9107476253721
1034302013021
11136026570a1
126793811b91
13330873a933
141935937873
15d5b659631
hex7fc8f2e5d

34302013021 has 4 divisors (see below), whose sum is σ = 35229094492. Its totient is φ = 33374931552.

The previous prime is 34302013001. The next prime is 34302013043. The reversal of 34302013021 is 12031020343.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33365040921 + 936972100 = 182661^2 + 30610^2 .

It is a cyclic number.

It is not a de Polignac number, because 34302013021 - 27 = 34302012893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34302013021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34302013001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463540680 + ... + 463540753.

It is an arithmetic number, because the mean of its divisors is an integer number (8807273623).

Almost surely, 234302013021 is an apocalyptic number.

It is an amenable number.

34302013021 is a deficient number, since it is larger than the sum of its proper divisors (927081471).

34302013021 is an equidigital number, since it uses as much as digits as its factorization.

34302013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927081470.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 34302013021 its reverse (12031020343), we get a palindrome (46333033364).

The spelling of 34302013021 in words is "thirty-four billion, three hundred two million, thirteen thousand, twenty-one".

Divisors: 1 37 927081433 34302013021