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2131201102 = 21065600551
BaseRepresentation
bin111111100000111…
…1000110001001110
312111112020020022011
41333001320301032
513331041413402
6551251011434
7103545624202
oct17701706116
95445206264
102131201102
119a4009a28
124b5899b7a
1327c6c3754
1416308cb02
15c717bed7
hex7f078c4e

2131201102 has 4 divisors (see below), whose sum is σ = 3196801656. Its totient is φ = 1065600550.

The previous prime is 2131201081. The next prime is 2131201117. The reversal of 2131201102 is 2011021312.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 532800274 + ... + 532800277.

It is an arithmetic number, because the mean of its divisors is an integer number (799200414).

Almost surely, 22131201102 is an apocalyptic number.

2131201102 is a deficient number, since it is larger than the sum of its proper divisors (1065600554).

2131201102 is a wasteful number, since it uses less digits than its factorization.

2131201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065600553.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2131201102 is about 46164.9336834788. The cubic root of 2131201102 is about 1286.8901517742.

Adding to 2131201102 its reverse (2011021312), we get a palindrome (4142222414).

The spelling of 2131201102 in words is "two billion, one hundred thirty-one million, two hundred one thousand, one hundred two".

Divisors: 1 2 1065600551 2131201102