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20415646225041 = 36805215408347
BaseRepresentation
bin1001010010001011000110…
…10101110101001010010001
32200021201100111011110102220
410221011203111311022101
510133442220413200131
6111230452435131253
74204660513444224
oct451054325651221
980251314143386
1020415646225041
116561255071931
122358832743b29
13b512582ccab2
145081a03c15bb
152560d0192e96
hex129163575291

20415646225041 has 4 divisors (see below), whose sum is σ = 27220861633392. Its totient is φ = 13610430816692.

The previous prime is 20415646225001. The next prime is 20415646225081. The reversal of 20415646225041 is 14052264651402.

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 an interprime number because it is at equal distance from previous prime (20415646225001) and next prime (20415646225081).

It is a cyclic number.

It is not a de Polignac number, because 20415646225041 - 218 = 20415645962897 is a prime.

It is a super-2 number, since 2×204156462250412 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20415646224984 and 20415646225002.

It is not an unprimeable number, because it can be changed into a prime (20415646225001) 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, 3402607704171 + ... + 3402607704176.

It is an arithmetic number, because the mean of its divisors is an integer number (6805215408348).

Almost surely, 220415646225041 is an apocalyptic number.

It is an amenable number.

20415646225041 is a deficient number, since it is larger than the sum of its proper divisors (6805215408351).

20415646225041 is an equidigital number, since it uses as much as digits as its factorization.

20415646225041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805215408350.

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 20415646225041 in words is "twenty trillion, four hundred fifteen billion, six hundred forty-six million, two hundred twenty-five thousand, forty-one".

Divisors: 1 3 6805215408347 20415646225041