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1996813914 = 2317121316139
BaseRepresentation
bin111011100000100…
…1111011001011010
312011011100122201220
41313001033121122
513042141021124
6530050352510
7100324431624
oct16701173132
95134318656
101996813914
11935170937
1247888b736
1325a9000c4
1414d2a9c14
15ba483879
hex7704f65a

1996813914 has 32 divisors (see below), whose sum is σ = 4232295360. Its totient is φ = 625896192.

The previous prime is 1996813913. The next prime is 1996813981. The reversal of 1996813914 is 4193186991.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Leyland number of the form 117 + 711.

It is not an unprimeable number, because it can be changed into a prime (1996813913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115657 + ... + 131795.

It is an arithmetic number, because the mean of its divisors is an integer number (132259230).

Almost surely, 21996813914 is an apocalyptic number.

1996813914 is an abundant number, since it is smaller than the sum of its proper divisors (2235481446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1996813914 is a wasteful number, since it uses less digits than its factorization.

1996813914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17374.

The product of its digits is 419904, while the sum is 51.

The square root of 1996813914 is about 44685.7238276387. The cubic root of 1996813914 is about 1259.2516581760.

The spelling of 1996813914 in words is "one billion, nine hundred ninety-six million, eight hundred thirteen thousand, nine hundred fourteen".

Divisors: 1 2 3 6 17 34 51 102 1213 2426 3639 7278 16139 20621 32278 41242 48417 61863 96834 123726 274363 548726 823089 1646178 19576607 39153214 58729821 117459642 332802319 665604638 998406957 1996813914