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2261240907 = 31722608121
BaseRepresentation
bin1000011011000111…
…1100110001001011
312211120220221101020
42012301330301023
514112334202112
61012214123523
7110015142042
oct20661746113
95746827336
102261240907
11a60458842
125313505a3
132a0624393
1417645d559
15d37b748c
hex86c7cc4b

2261240907 has 12 divisors (see below), whose sum is σ = 3202773816. Its totient is φ = 1418817280.

The previous prime is 2261240893. The next prime is 2261240909. The reversal of 2261240907 is 7090421622.

2261240907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2261240907 - 223 = 2252852299 is a prime.

It is a super-2 number, since 2×22612409072 = 10226420878980365298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2261240909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1303194 + ... + 1304927.

It is an arithmetic number, because the mean of its divisors is an integer number (266897818).

Almost surely, 22261240907 is an apocalyptic number.

2261240907 is a deficient number, since it is larger than the sum of its proper divisors (941532909).

2261240907 is a wasteful number, since it uses less digits than its factorization.

2261240907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608158 (or 2608141 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2261240907 is about 47552.5068424368. The cubic root of 2261240907 is about 1312.5492590673.

The spelling of 2261240907 in words is "two billion, two hundred sixty-one million, two hundred forty thousand, nine hundred seven".

Divisors: 1 3 17 51 289 867 2608121 7824363 44338057 133014171 753746969 2261240907