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20148618773037 = 36716206257679
BaseRepresentation
bin1001001010011001101110…
…10000111100001000101101
32122100012002212220102100010
410211030313100330020231
510120103332401214122
6110504051522123433
74146455361526236
oct445146720741055
978305085812303
1020148618773037
116468a880299a7
122314b2b7b0579
13b32011658521
144d92ac3c608d
1524e1a257ce0c
hex12533743c22d

20148618773037 has 4 divisors (see below), whose sum is σ = 26864825030720. Its totient is φ = 13432412515356.

The previous prime is 20148618773033. The next prime is 20148618773047. The reversal of 20148618773037 is 73037781684102.

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.

It is not a de Polignac number, because 20148618773037 - 22 = 20148618773033 is a prime.

It is a super-2 number, since 2×201486187730372 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20148618773033) 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, 3358103128837 + ... + 3358103128842.

It is an arithmetic number, because the mean of its divisors is an integer number (6716206257680).

Almost surely, 220148618773037 is an apocalyptic number.

It is an amenable number.

20148618773037 is a deficient number, since it is larger than the sum of its proper divisors (6716206257683).

20148618773037 is an equidigital number, since it uses as much as digits as its factorization.

20148618773037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6716206257682.

The product of its (nonzero) digits is 9483264, while the sum is 57.

The spelling of 20148618773037 in words is "twenty trillion, one hundred forty-eight billion, six hundred eighteen million, seven hundred seventy-three thousand, thirty-seven".

Divisors: 1 3 6716206257679 20148618773037