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6221026287445 = 54769677379931
BaseRepresentation
bin101101010000111001000…
…0011111101111101010101
3211000201120000111022100111
41122201302003331331111
51303411130212144240
621121522223243021
71211311554646564
oct132416203757525
924021500438314
106221026287445
111a89360180612
12845815149471
13361842868c78
141771565c7bdb
15abc532ed1ea
hex5a8720fdf55

6221026287445 has 16 divisors (see below), whose sum is σ = 7624195746048. Its totient is φ = 4870848493120.

The previous prime is 6221026287407. The next prime is 6221026287461. The reversal of 6221026287445 is 5447826201226.

It is a de Polignac number, because none of the positive numbers 2k-6221026287445 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 16184130 + ... + 16564060.

It is an arithmetic number, because the mean of its divisors is an integer number (476512234128).

Almost surely, 26221026287445 is an apocalyptic number.

It is an amenable number.

6221026287445 is a deficient number, since it is larger than the sum of its proper divisors (1403169458603).

6221026287445 is a wasteful number, since it uses less digits than its factorization.

6221026287445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449660.

The product of its (nonzero) digits is 2580480, while the sum is 49.

The spelling of 6221026287445 in words is "six trillion, two hundred twenty-one billion, twenty-six million, two hundred eighty-seven thousand, four hundred forty-five".

Divisors: 1 5 47 235 69677 348385 379931 1899655 3274819 16374095 17856757 89283785 26472452287 132362261435 1244205257489 6221026287445