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4977139480 = 235124428487
BaseRepresentation
bin1001010001010100…
…10001111100011000
3110211212100212211021
410220222101330120
540143121430410
62141513212224
7234223662505
oct45052217430
913755325737
104977139480
112124513615
12b6aa01074
136141b6461
143530304ac
151e1e3ceda
hex128a91f18

4977139480 has 16 divisors (see below), whose sum is σ = 11198563920. Its totient is φ = 1990855776.

The previous prime is 4977139477. The next prime is 4977139481. The reversal of 4977139480 is 849317794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4977139481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62214204 + ... + 62214283.

It is an arithmetic number, because the mean of its divisors is an integer number (699910245).

Almost surely, 24977139480 is an apocalyptic number.

4977139480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4977139480 is an abundant number, since it is smaller than the sum of its proper divisors (6221424440).

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

4977139480 is a wasteful number, since it uses less digits than its factorization.

4977139480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124428498 (or 124428494 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 4977139480 is about 70548.8446397246. The cubic root of 4977139480 is about 1707.3659022057.

The spelling of 4977139480 in words is "four billion, nine hundred seventy-seven million, one hundred thirty-nine thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 124428487 248856974 497713948 622142435 995427896 1244284870 2488569740 4977139480