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36890248789 = 230915976721
BaseRepresentation
bin100010010110110101…
…001000011001010101
310112012221111210210201
4202112311020121111
51101022400430124
624540330020501
72444113640512
oct422665103125
9115187453721
1036890248789
1114710646a19
127196577731
13362ba21ca4
141add596309
15e5d9b4144
hex896d48655

36890248789 has 4 divisors (see below), whose sum is σ = 36906227820. Its totient is φ = 36874269760.

The previous prime is 36890248781. The next prime is 36890248823. The reversal of 36890248789 is 98784209863.

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 26718517764 + 10171731025 = 163458^2 + 100855^2 .

It is a cyclic number.

It is not a de Polignac number, because 36890248789 - 23 = 36890248781 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36890248789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36890248781) 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, 7986052 + ... + 7990669.

It is an arithmetic number, because the mean of its divisors is an integer number (9226556955).

Almost surely, 236890248789 is an apocalyptic number.

It is an amenable number.

36890248789 is a deficient number, since it is larger than the sum of its proper divisors (15979031).

36890248789 is a wasteful number, since it uses less digits than its factorization.

36890248789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15979030.

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 36890248789 in words is "thirty-six billion, eight hundred ninety million, two hundred forty-eight thousand, seven hundred eighty-nine".

Divisors: 1 2309 15976721 36890248789