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2979768465075 = 352157389650537
BaseRepresentation
bin101011010111001000000…
…010100111011010110011
3101112212022012001210222210
4223113020002213122303
5342310031211340300
610200515311303203
7425165304022203
oct53271002473263
911485265053883
102979768465075
11a49792686086
124015ba51ab03
13187cb61a946c
14a4315d80403
155279d4e0050
hex2b5c80a76b3

2979768465075 has 48 divisors (see below), whose sum is σ = 4970682793440. Its totient is φ = 1575025720320.

The previous prime is 2979768465071. The next prime is 2979768465077. The reversal of 2979768465075 is 5705648679792.

2979768465075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2979768465075 - 22 = 2979768465071 is a prime.

It is a super-3 number, since 3×29797684650753 (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (75).

It is a junction number, because it is equal to n+sod(n) for n = 2979768464988 and 2979768465006.

It is not an unprimeable number, because it can be changed into a prime (2979768465071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4255207 + ... + 4905743.

It is an arithmetic number, because the mean of its divisors is an integer number (103555891530).

Almost surely, 22979768465075 is an apocalyptic number.

2979768465075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2979768465075 is a deficient number, since it is larger than the sum of its proper divisors (1990914328365).

2979768465075 is a wasteful number, since it uses less digits than its factorization.

2979768465075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651096 (or 651091 counting only the distinct ones).

The product of its (nonzero) digits is 1600300800, while the sum is 75.

The spelling of 2979768465075 in words is "two trillion, nine hundred seventy-nine billion, seven hundred sixty-eight million, four hundred sixty-five thousand, seventy-five".

Divisors: 1 3 5 15 25 75 157 389 471 785 1167 1945 2355 3925 5835 9725 11775 29175 61073 183219 305365 650537 916095 1526825 1951611 3252685 4580475 9758055 16263425 48790275 102134309 253058893 306402927 510671545 759176679 1265294465 1532014635 2553357725 3795883395 6326472325 7660073175 18979416975 39730246201 119190738603 198651231005 595953693015 993256155025 2979768465075