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2281089701 = 11237509513
BaseRepresentation
bin1000011111110110…
…1010101010100101
312212222021100210202
42013331222222211
514132424332301
61014203400245
7110345641202
oct20775525245
95788240722
102281089701
11a70685500
12537b23085
132a4783a27
14178d48ca9
15d53d866b
hex87f6aaa5

2281089701 has 12 divisors (see below), whose sum is σ = 2575083756. Its totient is φ = 2017667520.

The previous prime is 2281089697. The next prime is 2281089719. The reversal of 2281089701 is 1079801822.

It can be written as a sum of positive squares in 2 ways, for example, as 1092633025 + 1188456676 = 33055^2 + 34474^2 .

It is not a de Polignac number, because 2281089701 - 22 = 2281089697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281089721) 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, 250280 + ... + 259233.

It is an arithmetic number, because the mean of its divisors is an integer number (214590313).

Almost surely, 22281089701 is an apocalyptic number.

It is an amenable number.

2281089701 is a deficient number, since it is larger than the sum of its proper divisors (293994055).

2281089701 is a wasteful number, since it uses less digits than its factorization.

2281089701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509572 (or 509561 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 2281089701 is about 47760.7548202496. The cubic root of 2281089701 is about 1316.3785224790.

The spelling of 2281089701 in words is "two billion, two hundred eighty-one million, eighty-nine thousand, seven hundred one".

Divisors: 1 11 37 121 407 4477 509513 5604643 18851981 61651073 207371791 2281089701