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20315263304150 = 252406305266083
BaseRepresentation
bin1001001111010000001000…
…00011011000000111010110
32122221010020121222201110222
410213220010003120013112
510130321124401213100
6111112411512514342
74164505106626253
oct447500403300726
978833217881428
1020315263304150
116522722576691
1223412986ab9b2
13b4494b37b859
1450339a56442a
152536a751a485
hex127a040d81d6

20315263304150 has 12 divisors (see below), whose sum is σ = 37786389745812. Its totient is φ = 8126105321640.

The previous prime is 20315263304111. The next prime is 20315263304191. The reversal of 20315263304150 is 5140336251302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20315263304150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203152632992 + ... + 203152633091.

It is an arithmetic number, because the mean of its divisors is an integer number (3148865812151).

Almost surely, 220315263304150 is an apocalyptic number.

20315263304150 is a deficient number, since it is larger than the sum of its proper divisors (17471126441662).

20315263304150 is a wasteful number, since it uses less digits than its factorization.

20315263304150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406305266095 (or 406305266090 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 20315263304150 its reverse (5140336251302), we get a palindrome (25455599555452).

The spelling of 20315263304150 in words is "twenty trillion, three hundred fifteen billion, two hundred sixty-three million, three hundred four thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 406305266083 812610532166 2031526330415 4063052660830 10157631652075 20315263304150