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2123476308 = 2232137342961
BaseRepresentation
bin111111010010001…
…1010110101010100
312110222200202212200
41332210122311110
513322102220213
6550413244500
7103423152012
oct17644326524
95428622780
102123476308
1199a7131a8
124b3193730
1327ac1a675
1416203b8b2
15c6653273
hex7e91ad54

2123476308 has 36 divisors (see below), whose sum is σ = 5371710708. Its totient is φ = 707293440.

The previous prime is 2123476291. The next prime is 2123476349. The reversal of 2123476308 is 8036743212.

It is a happy number.

2123476308 is a `hidden beast` number, since 2 + 1 + 2 + 347 + 6 + 308 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1301622084 + 821854224 = 36078^2 + 28668^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27948 + ... + 70908.

Almost surely, 22123476308 is an apocalyptic number.

It is an amenable number.

2123476308 is an abundant number, since it is smaller than the sum of its proper divisors (3248234400).

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

2123476308 is a wasteful number, since it uses less digits than its factorization.

2123476308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44344 (or 44339 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 2123476308 is about 46081.1925626931. The cubic root of 2123476308 is about 1285.3334401944. Note that the first 3 decimals are identical.

The spelling of 2123476308 in words is "two billion, one hundred twenty-three million, four hundred seventy-six thousand, three hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 1373 2746 4119 5492 8238 12357 16476 24714 42961 49428 85922 128883 171844 257766 386649 515532 773298 1546596 58985453 117970906 176956359 235941812 353912718 530869077 707825436 1061738154 2123476308