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120100002011 = 11731031452079
BaseRepresentation
bin110111111011010000…
…1001001100011011011
3102110222222100020110122
41233312201021203123
53431431100031021
6131101223503455
711451122113313
oct1576641114333
9373888306418
10120100002011
1146a30358110
121b3392b7b8b
13b42cb2ba62
145b54738443
1531cdb5abab
hex1bf68498db

120100002011 has 16 divisors (see below), whose sum is σ = 134102492160. Its totient is φ = 106640608320.

The previous prime is 120100001939. The next prime is 120100002013. The reversal of 120100002011 is 110200001021.

It is a cyclic number.

It is not a de Polignac number, because 120100002011 - 226 = 120032893147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120100002011.

It is not an unprimeable number, because it can be changed into a prime (120100002013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643331 + ... + 808748.

It is an arithmetic number, because the mean of its divisors is an integer number (8381405760).

Almost surely, 2120100002011 is an apocalyptic number.

120100002011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120100002011 is a deficient number, since it is larger than the sum of its proper divisors (14002490149).

120100002011 is a wasteful number, since it uses less digits than its factorization.

120100002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452266.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 120100002011 its reverse (110200001021), we get a palindrome (230300003032).

The spelling of 120100002011 in words is "one hundred twenty billion, one hundred million, two thousand, eleven".

Divisors: 1 11 73 103 803 1133 7519 82709 1452079 15972869 106001767 149564137 1166019437 1645205507 10918182001 120100002011