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2664513445 = 5111711325219
BaseRepresentation
bin1001111011010001…
…0011111110100101
320212200202022022011
42132310103332211
520424103412240
61120221434221
7123012663526
oct23664237645
96780668264
102664513445
111148059430
1262440b971
13336040399
141b3c3684d
15108dc56ea
hex9ed13fa5

2664513445 has 32 divisors (see below), whose sum is σ = 3726103680. Its totient is φ = 1807626240.

The previous prime is 2664513443. The next prime is 2664513473. The reversal of 2664513445 is 5443154662.

It is not a de Polignac number, because 2664513445 - 21 = 2664513443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2664513398 and 2664513407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664513443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93046 + ... + 118264.

It is an arithmetic number, because the mean of its divisors is an integer number (116440740).

Almost surely, 22664513445 is an apocalyptic number.

It is an amenable number.

2664513445 is a deficient number, since it is larger than the sum of its proper divisors (1061590235).

2664513445 is a wasteful number, since it uses less digits than its factorization.

2664513445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25365.

The product of its digits is 345600, while the sum is 40.

The square root of 2664513445 is about 51618.9252600245. The cubic root of 2664513445 is about 1386.3492080679.

The spelling of 2664513445 in words is "two billion, six hundred sixty-four million, five hundred thirteen thousand, four hundred forty-five".

Divisors: 1 5 11 17 55 85 113 187 565 935 1243 1921 6215 9605 21131 25219 105655 126095 277409 428723 1387045 2143615 2849747 4715953 14248735 23579765 31347217 48445699 156736085 242228495 532902689 2664513445