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2471742612 = 223268659517
BaseRepresentation
bin1001001101010011…
…1100110010010100
320101021000112102200
42103110330302110
520030231230422
61045134004500
7115152315453
oct22324746224
96337015380
102471742612
111059263899
1258b946730
133051176c1
141963b6b9a
15e6ee82ac
hex9353cc94

2471742612 has 18 divisors (see below), whose sum is σ = 6248016138. Its totient is φ = 823914192.

The previous prime is 2471742607. The next prime is 2471742613. The reversal of 2471742612 is 2162471742.

2471742612 is a `hidden beast` number, since 24 + 7 + 17 + 4 + 2 + 612 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2377147536 + 94595076 = 48756^2 + 9726^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×24717426122 = 12219023079953165088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 68659517 = 2471742612 / (2 + 4 + 7 + 1 + 7 + 4 + 2 + 6 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2471742613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34329723 + ... + 34329794.

Almost surely, 22471742612 is an apocalyptic number.

It is an amenable number.

2471742612 is an abundant number, since it is smaller than the sum of its proper divisors (3776273526).

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

2471742612 is a wasteful number, since it uses less digits than its factorization.

2471742612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68659527 (or 68659522 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 2471742612 is about 49716.6230952988. The cubic root of 2471742612 is about 1352.0759304309.

The spelling of 2471742612 in words is "two billion, four hundred seventy-one million, seven hundred forty-two thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 68659517 137319034 205978551 274638068 411957102 617935653 823914204 1235871306 2471742612