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2001201202 = 2711132934469
BaseRepresentation
bin111011101000111…
…1110100000110010
312011110121112222001
41313101332200302
513044301414302
6530324404214
7100406633560
oct16721764062
95143545861
102001201202
119376980a0
1247a24666a
1325b7a8030
1414dacca30
15baa4d787
hex7747e832

2001201202 has 64 divisors (see below), whose sum is σ = 4169491200. Its totient is φ = 694874880.

The previous prime is 2001201199. The next prime is 2001201211. The reversal of 2001201202 is 2021021002.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 40824 + ... + 75292.

It is an arithmetic number, because the mean of its divisors is an integer number (65148300).

Almost surely, 22001201202 is an apocalyptic number.

2001201202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2001201202 is an abundant number, since it is smaller than the sum of its proper divisors (2168289998).

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

2001201202 is a wasteful number, since it uses less digits than its factorization.

2001201202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34531.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2001201202 is about 44734.7873807398. The cubic root of 2001201202 is about 1260.1732360280.

Adding to 2001201202 its reverse (2021021002), we get a palindrome (4022222204).

It can be divided in two parts, 2001 and 201202, that added together give a triangular number (203203 = T637).

The spelling of 2001201202 in words is "two billion, one million, two hundred one thousand, two hundred two".

Divisors: 1 2 7 11 13 14 22 26 29 58 77 91 143 154 182 203 286 319 377 406 638 754 1001 2002 2233 2639 4147 4466 5278 8294 29029 34469 58058 68938 241283 379159 448097 482566 758318 896194 999601 1999202 2654113 3136679 4929067 5308226 6273358 6997207 9858134 10995611 12994813 13994414 21991222 25989626 34503469 69006938 76969277 90963691 142942943 153938554 181927382 285885886 1000600601 2001201202