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2121202014 = 23973679931
BaseRepresentation
bin111111001101110…
…1111100101011110
312110211102020010120
41332123233211132
513321011431024
6550252415410
7103364630301
oct17633574536
95424366116
102121202014
119993aa518
124b2477566
1327a602429
14161a08b38
15c6354479
hex7e6ef95e

2121202014 has 32 divisors (see below), whose sum is σ = 4298251776. Its totient is φ = 697800960.

The previous prime is 2121202007. The next prime is 2121202051. The reversal of 2121202014 is 4102021212.

It is a junction number, because it is equal to n+sod(n) for n = 2121201984 and 2121202002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208629 + ... + 218559.

It is an arithmetic number, because the mean of its divisors is an integer number (134320368).

Almost surely, 22121202014 is an apocalyptic number.

2121202014 is an abundant number, since it is smaller than the sum of its proper divisors (2177049762).

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

2121202014 is a wasteful number, since it uses less digits than its factorization.

2121202014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10400.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2121202014 is about 46056.5089211069. The cubic root of 2121202014 is about 1284.8744019722.

Adding to 2121202014 its reverse (4102021212), we get a palindrome (6223223226).

The spelling of 2121202014 in words is "two billion, one hundred twenty-one million, two hundred two thousand, fourteen".

Divisors: 1 2 3 6 97 194 291 367 582 734 1101 2202 9931 19862 29793 35599 59586 71198 106797 213594 963307 1926614 2889921 3644677 5779842 7289354 10934031 21868062 353533669 707067338 1060601007 2121202014