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2100312042 = 23350052007
BaseRepresentation
bin111110100110000…
…0011011111101010
312102101002220110220
41331030003133222
513300134441132
6544224550510
7103022233503
oct17514033752
95371086426
102100312042
11988631584
124a7482436
13276199bba
1415cd2bbaa
15c45c9a2c
hex7d3037ea

2100312042 has 8 divisors (see below), whose sum is σ = 4200624096. Its totient is φ = 700104012.

The previous prime is 2100312029. The next prime is 2100312199. The reversal of 2100312042 is 2402130012.

It is a sphenic number, since it is the product of 3 distinct primes.

2100312042 is an admirable number.

It is a super-2 number, since 2×21003120422 = 8822621347540419528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175025998 + ... + 175026009.

It is an arithmetic number, because the mean of its divisors is an integer number (525078012).

Almost surely, 22100312042 is an apocalyptic number.

2100312042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2100312042 is a wasteful number, since it uses less digits than its factorization.

2100312042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350052012.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2100312042 is about 45829.1614804373. The cubic root of 2100312042 is about 1280.6425895420.

Adding to 2100312042 its reverse (2402130012), we get a palindrome (4502442054).

The spelling of 2100312042 in words is "two billion, one hundred million, three hundred twelve thousand, forty-two".

Divisors: 1 2 3 6 350052007 700104014 1050156021 2100312042