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43217201413 = 302411429093
BaseRepresentation
bin101000001111111100…
…100010100100000101
311010112212210022011101
4220033330202210011
51202002100421123
631504222340101
73056651102521
oct501774424405
9133485708141
1043217201413
1117367a90091
12846142a631
1340c9764739
14213d992d81
1511ce181aad
hexa0ff22905

43217201413 has 4 divisors (see below), whose sum is σ = 43218660748. Its totient is φ = 43215742080.

The previous prime is 43217201327. The next prime is 43217201441. The reversal of 43217201413 is 31410271234.

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 8757590724 + 34459610689 = 93582^2 + 185633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-43217201413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43217201113) 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, 684306 + ... + 744787.

It is an arithmetic number, because the mean of its divisors is an integer number (10804665187).

Almost surely, 243217201413 is an apocalyptic number.

It is an amenable number.

43217201413 is a deficient number, since it is larger than the sum of its proper divisors (1459335).

43217201413 is a wasteful number, since it uses less digits than its factorization.

43217201413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459334.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 43217201413 its reverse (31410271234), we get a palindrome (74627472647).

The spelling of 43217201413 in words is "forty-three billion, two hundred seventeen million, two hundred one thousand, four hundred thirteen".

Divisors: 1 30241 1429093 43217201413