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20415511443341 = 728611019399383
BaseRepresentation
bin1001010010001010110110…
…10011101011011110001101
32200021201000002112211201002
410221011123103223132031
510133441431412141331
6111230431222230045
74204654256016530
oct451053323533615
980251002484632
1020415511443341
116561195a843a3
1223587b5585325
13b512363cba01
1450818a538a17
152560c341c9cb
hex12915b4eb78d

20415511443341 has 8 divisors (see below), whose sum is σ = 23340168296064. Its totient is φ = 17492893395120.

The previous prime is 20415511443317. The next prime is 20415511443359. The reversal of 20415511443341 is 14334411551402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20415511443341 - 222 = 20415507249037 is a prime.

It is a super-3 number, since 3×204155114433413 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20415511443295 and 20415511443304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20415511443361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509679665 + ... + 509719718.

It is an arithmetic number, because the mean of its divisors is an integer number (2917521037008).

Almost surely, 220415511443341 is an apocalyptic number.

It is an amenable number.

20415511443341 is a deficient number, since it is larger than the sum of its proper divisors (2924656852723).

20415511443341 is a wasteful number, since it uses less digits than its factorization.

20415511443341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019402251.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 20415511443341 its reverse (14334411551402), we get a palindrome (34749922994743).

The spelling of 20415511443341 in words is "twenty trillion, four hundred fifteen billion, five hundred eleven million, four hundred forty-three thousand, three hundred forty-one".

Divisors: 1 7 2861 20027 1019399383 7135795681 2916501634763 20415511443341