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1442110137 = 31399137313
BaseRepresentation
bin101010111110100…
…1101101010111001
310201111120210012120
41111331031222321
510423140011022
6355033231453
750510506506
oct12575155271
93644523176
101442110137
11680040766
12342b62589
1319ca03910
14d97544ad
1586911d5c
hex55f4dab9

1442110137 has 16 divisors (see below), whose sum is σ = 2072867328. Its totient is φ = 886533120.

The previous prime is 1442110123. The next prime is 1442110141. The reversal of 1442110137 is 7310112441.

It is not a de Polignac number, because 1442110137 - 24 = 1442110121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1442110157) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19993 + ... + 57305.

It is an arithmetic number, because the mean of its divisors is an integer number (129554208).

Almost surely, 21442110137 is an apocalyptic number.

It is an amenable number.

1442110137 is a deficient number, since it is larger than the sum of its proper divisors (630757191).

1442110137 is a wasteful number, since it uses less digits than its factorization.

1442110137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38320.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1442110137 is about 37975.1252400831. The cubic root of 1442110137 is about 1129.7945529334.

Adding to 1442110137 its reverse (7310112441), we get a palindrome (8752222578).

The spelling of 1442110137 in words is "one billion, four hundred forty-two million, one hundred ten thousand, one hundred thirty-seven".

Divisors: 1 3 13 39 991 2973 12883 37313 38649 111939 485069 1455207 36977183 110931549 480703379 1442110137