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2101315164 = 2231313469969
BaseRepresentation
bin111110100111111…
…1000011001011100
312102102222212111120
41331033320121130
513300414041124
6544302250540
7103033612164
oct17517703134
95372885446
102101315164
11989157203
124a7886a50
1327645b670
1415d10d5a4
15c4726d79
hex7d3f865c

2101315164 has 24 divisors (see below), whose sum is σ = 5280228240. Its totient is φ = 646558464.

The previous prime is 2101315163. The next prime is 2101315169. The reversal of 2101315164 is 4615131012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101315163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6734829 + ... + 6735140.

It is an arithmetic number, because the mean of its divisors is an integer number (220009510).

Almost surely, 22101315164 is an apocalyptic number.

It is an amenable number.

2101315164 is an abundant number, since it is smaller than the sum of its proper divisors (3178913076).

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

2101315164 is a wasteful number, since it uses less digits than its factorization.

2101315164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13469989 (or 13469987 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 2101315164 is about 45840.1043192530. The cubic root of 2101315164 is about 1280.8464380284.

Adding to 2101315164 its reverse (4615131012), we get a palindrome (6716446176).

The spelling of 2101315164 in words is "two billion, one hundred one million, three hundred fifteen thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 13469969 26939938 40409907 53879876 80819814 161639628 175109597 350219194 525328791 700438388 1050657582 2101315164