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4961245768 = 23620155721
BaseRepresentation
bin1001001111011011…
…01001101001001000
3110210202110101202021
410213231221221020
540130034331033
62140144414224
7233641615243
oct44755515110
913722411667
104961245768
112116548416
12b65617374
13610b100ab
14350c9425a
151e084db2d
hex127b69a48

4961245768 has 8 divisors (see below), whose sum is σ = 9302335830. Its totient is φ = 2480622880.

The previous prime is 4961245763. The next prime is 4961245769. The reversal of 4961245768 is 8675421694.

It can be written as a sum of positive squares in only one way, i.e., 3896006724 + 1065239044 = 62418^2 + 32638^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×49612457682 = 49227919140995819648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4961245763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310077853 + ... + 310077868.

Almost surely, 24961245768 is an apocalyptic number.

It is an amenable number.

4961245768 is a deficient number, since it is larger than the sum of its proper divisors (4341090062).

4961245768 is a wasteful number, since it uses less digits than its factorization.

4961245768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620155727 (or 620155723 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The square root of 4961245768 is about 70436.1112498412. Note that the first 3 decimals coincide. The cubic root of 4961245768 is about 1705.5465627607.

The spelling of 4961245768 in words is "four billion, nine hundred sixty-one million, two hundred forty-five thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 620155721 1240311442 2480622884 4961245768