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2451530051345 = 53173301468557
BaseRepresentation
bin100011101011001010100…
…100111110111100010001
322200100211100022001110002
4203223022210332330101
5310131213143120340
65114114541015345
7342055125420644
oct43531244767421
98610740261402
102451530051345
11865762891481
12337158554555
1314a241926b4b
1486924669a5b
1543b8374e715
hex23aca93ef11

2451530051345 has 16 divisors (see below), whose sum is σ = 2952016608528. Its totient is φ = 1954440787200.

The previous prime is 2451530051317. The next prime is 2451530051353. The reversal of 2451530051345 is 5431500351542.

It can be written as a sum of positive squares in 8 ways, for example, as 1376623503616 + 1074906547729 = 1173296^2 + 1036777^2 .

It is a de Polignac number, because none of the positive numbers 2k-2451530051345 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2451530051299 and 2451530051308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4997807 + ... + 5466363.

It is an arithmetic number, because the mean of its divisors is an integer number (184501038033).

Almost surely, 22451530051345 is an apocalyptic number.

It is an amenable number.

2451530051345 is a deficient number, since it is larger than the sum of its proper divisors (500486557183).

2451530051345 is a wasteful number, since it uses less digits than its factorization.

2451530051345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472180.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 2451530051345 in words is "two trillion, four hundred fifty-one billion, five hundred thirty million, fifty-one thousand, three hundred forty-five".

Divisors: 1 5 317 1585 3301 16505 468557 1046417 2342785 5232085 148532569 742662845 1546706657 7733533285 490306010269 2451530051345