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2131234014 = 2371311334543
BaseRepresentation
bin111111100001000…
…0000110011011110
312111112021220110010
41333002000303132
513331043442024
6551251424050
7103546122150
oct17702006336
95445256403
102131234014
119a4031728
124b58b5026
1327c705720
1416309aad0
15c7186b29
hex7f080cde

2131234014 has 64 divisors (see below), whose sum is σ = 5292693504. Its totient is φ = 557093376.

The previous prime is 2131234013. The next prime is 2131234031. The reversal of 2131234014 is 4104321312.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131234013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44427 + ... + 78969.

It is an arithmetic number, because the mean of its divisors is an integer number (82698336).

Almost surely, 22131234014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2131234014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2646346752).

2131234014 is an abundant number, since it is smaller than the sum of its proper divisors (3161459490).

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

2131234014 is a wasteful number, since it uses less digits than its factorization.

2131234014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34681.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2131234014 is about 46165.2901431368. The cubic root of 2131234014 is about 1286.8967761937.

Adding to 2131234014 its reverse (4104321312), we get a palindrome (6235555326).

The spelling of 2131234014 in words is "two billion, one hundred thirty-one million, two hundred thirty-four thousand, fourteen".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 113 182 226 273 339 546 678 791 1469 1582 2373 2938 4407 4746 8814 10283 20566 30849 34543 61698 69086 103629 207258 241801 449059 483602 725403 898118 1347177 1450806 2694354 3143413 3903359 6286826 7806718 9430239 11710077 18860478 23420154 27323513 50743667 54647026 81970539 101487334 152231001 163941078 304462002 355205669 710411338 1065617007 2131234014