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2001000342 = 231130318187
BaseRepresentation
bin111011101000100…
…1101011110010110
312011110020100102210
41313101031132112
513044224002332
6530320214250
7100405136145
oct16721153626
95143210383
102001000342
119375701a0
1247a16a386
1325b737793
1414da7975c
15baa0decc
hex7744d796

2001000342 has 16 divisors (see below), whose sum is σ = 4365819072. Its totient is φ = 606363720.

The previous prime is 2001000341. The next prime is 2001000349. The reversal of 2001000342 is 2430001002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001000341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15159028 + ... + 15159159.

It is an arithmetic number, because the mean of its divisors is an integer number (272863692).

Almost surely, 22001000342 is an apocalyptic number.

2001000342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2001000342 is an abundant number, since it is smaller than the sum of its proper divisors (2364818730).

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

2001000342 is a wasteful number, since it uses less digits than its factorization.

2001000342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30318203.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2001000342 is about 44732.5423154106. The cubic root of 2001000342 is about 1260.1310735400.

Adding to 2001000342 its reverse (2430001002), we get a palindrome (4431001344).

The spelling of 2001000342 in words is "two billion, one million, three hundred forty-two", and thus it is an aban number.

Divisors: 1 2 3 6 11 22 33 66 30318187 60636374 90954561 181909122 333500057 667000114 1000500171 2001000342