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26947132000769 = 178016915137401
BaseRepresentation
bin1100010000010000111100…
…01110110000101000000001
310112102010020221221212002102
412020020132032300220001
512013000211243011034
6133151201435000145
75450603023506431
oct610103616605001
9115363227855072
1026947132000769
11864a23a560032
12303264bb99055
131206146924486
14692368cbc2c1
1531ae5402297e
hex18821e3b0a01

26947132000769 has 4 divisors (see below), whose sum is σ = 26947148918340. Its totient is φ = 26947115083200.

The previous prime is 26947132000739. The next prime is 26947132000783. The reversal of 26947132000769 is 96700023174962.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15825573990769 + 11121558010000 = 3978137^2 + 3334900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26947132000769 is a prime.

It is a super-2 number, since 2×269471320007692 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26947132000709) 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, 5788532 + ... + 9348869.

It is an arithmetic number, because the mean of its divisors is an integer number (6736787229585).

Almost surely, 226947132000769 is an apocalyptic number.

It is an amenable number.

26947132000769 is a deficient number, since it is larger than the sum of its proper divisors (16917571).

26947132000769 is a wasteful number, since it uses less digits than its factorization.

26947132000769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16917570.

The product of its (nonzero) digits is 6858432, while the sum is 56.

The spelling of 26947132000769 in words is "twenty-six trillion, nine hundred forty-seven billion, one hundred thirty-two million, seven hundred sixty-nine", and thus it is an aban number.

Divisors: 1 1780169 15137401 26947132000769