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3121424344144 = 243721124988987
BaseRepresentation
bin101101011011000011011…
…000111010010001010000
3102001101221102121001210101
4231123003120322101100
5402120134113003034
610345543524342144
7441341543103241
oct55330330722120
912041842531711
103121424344144
11aa3874737717
12424b52844954
1319846cb3a552
14ab11348acc8
15562de79c514
hex2d6c363a450

3121424344144 has 40 divisors (see below), whose sum is σ = 6240649907168. Its totient is φ = 1511333873280.

The previous prime is 3121424344127. The next prime is 3121424344151. The reversal of 3121424344144 is 4414434241213.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12369582 + ... + 12619405.

Almost surely, 23121424344144 is an apocalyptic number.

It is an amenable number.

3121424344144 is a deficient number, since it is larger than the sum of its proper divisors (3119225563024).

3121424344144 is a wasteful number, since it uses less digits than its factorization.

3121424344144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24989243 (or 24989237 counting only the distinct ones).

The product of its digits is 147456, while the sum is 37.

Adding to 3121424344144 its reverse (4414434241213), we get a palindrome (7535858585357).

The spelling of 3121424344144 in words is "three trillion, one hundred twenty-one billion, four hundred twenty-four million, three hundred forty-four thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 37 74 148 211 296 422 592 844 1688 3376 7807 15614 31228 62456 124912 24988987 49977974 99955948 199911896 399823792 924592519 1849185038 3698370076 5272676257 7396740152 10545352514 14793480304 21090705028 42181410056 84362820112 195089021509 390178043018 780356086036 1560712172072 3121424344144