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2120203002 = 231231287057
BaseRepresentation
bin111111001011111…
…1011101011111010
312110202112110202010
41332113323223322
513320232444002
6550215150350
7103353266601
oct17627735372
95422473663
102120203002
11998887995
124b20753b6
1327a3427b8
14161828a38
15c620846c
hex7e5fbafa

2120203002 has 16 divisors (see below), whose sum is σ = 4243865472. Its totient is φ = 706157760.

The previous prime is 2120202983. The next prime is 2120203031. The reversal of 2120203002 is 2003020212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136143 + ... + 150914.

It is an arithmetic number, because the mean of its divisors is an integer number (265241592).

Almost surely, 22120203002 is an apocalyptic number.

2120203002 is an abundant number, since it is smaller than the sum of its proper divisors (2123662470).

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

2120203002 is a wasteful number, since it uses less digits than its factorization.

2120203002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288293.

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

The square root of 2120203002 is about 46045.6621409661. The cubic root of 2120203002 is about 1284.6726599880.

Adding to 2120203002 its reverse (2003020212), we get a palindrome (4123223214).

The spelling of 2120203002 in words is "two billion, one hundred twenty million, two hundred three thousand, two".

Divisors: 1 2 3 6 1231 2462 3693 7386 287057 574114 861171 1722342 353367167 706734334 1060101501 2120203002