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2102142134 = 23115333739
BaseRepresentation
bin111110101001100…
…0010010010110110
312102111112212220002
41331103002102312
513301122022014
6544332111302
7103043625161
oct17523022266
95374485802
102102142134
11989671554
124a8005532
1327668abb1
1415d286ad8
15c483bdde
hex7d4c24b6

2102142134 has 8 divisors (see below), whose sum is σ = 3153407880. Its totient is φ = 1051006176.

The previous prime is 2102142131. The next prime is 2102142179. The reversal of 2102142134 is 4312412012.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102142131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45437 + ... + 79175.

It is an arithmetic number, because the mean of its divisors is an integer number (394175985).

Almost surely, 22102142134 is an apocalyptic number.

2102142134 is a deficient number, since it is larger than the sum of its proper divisors (1051265746).

2102142134 is a wasteful number, since it uses less digits than its factorization.

2102142134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64894.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2102142134 is about 45849.1235903152. The cubic root of 2102142134 is about 1281.0144411717.

Adding to 2102142134 its reverse (4312412012), we get a palindrome (6414554146).

The spelling of 2102142134 in words is "two billion, one hundred two million, one hundred forty-two thousand, one hundred thirty-four".

Divisors: 1 2 31153 33739 62306 67478 1051071067 2102142134