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428936043837 = 3722917932271
BaseRepresentation
bin1100011110111101001…
…01001001110100111101
31112000011021211200220010
412033132211021310331
524011430111400322
6525014524013433
742663302133600
oct6173645116475
91460137750803
10428936043837
11155a0223a414
126b169991279
13315aa462682
1416a911b2337
15b256e0b20c
hex63de949d3d

428936043837 has 12 divisors (see below), whose sum is σ = 665288558016. Its totient is φ = 245106310680.

The previous prime is 428936043829. The next prime is 428936043871. The reversal of 428936043837 is 738340639824.

It is not a de Polignac number, because 428936043837 - 23 = 428936043829 is a prime.

It is a super-2 number, since 2×4289360438372 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428936043937) 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 11 ways as a sum of consecutive naturals, for example, 1458965989 + ... + 1458966282.

It is an arithmetic number, because the mean of its divisors is an integer number (55440713168).

Almost surely, 2428936043837 is an apocalyptic number.

It is an amenable number.

428936043837 is a deficient number, since it is larger than the sum of its proper divisors (236352514179).

428936043837 is a wasteful number, since it uses less digits than its factorization.

428936043837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917932288 (or 2917932281 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 57.

The spelling of 428936043837 in words is "four hundred twenty-eight billion, nine hundred thirty-six million, forty-three thousand, eight hundred thirty-seven".

Divisors: 1 3 7 21 49 147 2917932271 8753796813 20425525897 61276577691 142978681279 428936043837