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2010101123 = 23471979439
BaseRepresentation
bin111011111001111…
…1011010110000011
312012002100201100202
41313303323112003
513104041213443
6531243235415
7100545402062
oct16763732603
95162321322
102010101123
119417167a8
12481218b6b
132605a2c64
14150d681d9
15bb70a7b8
hex77cfb583

2010101123 has 16 divisors (see below), whose sum is σ = 2153226240. Its totient is φ = 1872046176.

The previous prime is 2010101089. The next prime is 2010101129. The reversal of 2010101123 is 3211010102.

It is not a de Polignac number, because 2010101123 - 26 = 2010101059 is a prime.

It is a super-2 number, since 2×20101011232 = 8081013049371722258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010101129) 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, 208238 + ... + 217676.

It is an arithmetic number, because the mean of its divisors is an integer number (134576640).

Almost surely, 22010101123 is an apocalyptic number.

2010101123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2010101123 is a deficient number, since it is larger than the sum of its proper divisors (143125117).

2010101123 is a wasteful number, since it uses less digits than its factorization.

2010101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9706.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2010101123 is about 44834.1513023276. The cubic root of 2010101123 is about 1262.0385918764.

Adding to 2010101123 its reverse (3211010102), we get a palindrome (5221111225).

The spelling of 2010101123 in words is "two billion, ten million, one hundred one thousand, one hundred twenty-three".

Divisors: 1 23 47 197 1081 4531 9259 9439 212957 217097 443633 1859483 10203559 42768109 87395701 2010101123