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36973905641 = 290312736447
BaseRepresentation
bin100010011011110100…
…010000011011101001
310112102202221000102122
4202123310100123221
51101210304440031
624552515041025
72446151004161
oct423364203351
9115382830378
1036973905641
1114753895612
1271ba5a0175
13364316299a
141b0a7315a1
15e65edb47b
hex89bd106e9

36973905641 has 4 divisors (see below), whose sum is σ = 36986644992. Its totient is φ = 36961166292.

The previous prime is 36973905629. The next prime is 36973905643. The reversal of 36973905641 is 14650937963.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14650937963 = 91909159407.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-36973905641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36973905643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6365321 + ... + 6371126.

It is an arithmetic number, because the mean of its divisors is an integer number (9246661248).

Almost surely, 236973905641 is an apocalyptic number.

It is an amenable number.

36973905641 is a deficient number, since it is larger than the sum of its proper divisors (12739351).

36973905641 is a wasteful number, since it uses less digits than its factorization.

36973905641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12739350.

The product of its (nonzero) digits is 3674160, while the sum is 53.

The spelling of 36973905641 in words is "thirty-six billion, nine hundred seventy-three million, nine hundred five thousand, six hundred forty-one".

Divisors: 1 2903 12736447 36973905641