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20311224104044 = 2237432713171593
BaseRepresentation
bin1001001111001000100110…
…10011000011010001101100
32122220201211010112002121001
410213210103103003101230
510130234341332312134
6111110503022450044
74164303032165536
oct447442323032154
978821733462531
1020311224104044
116520a3a548885
12234054ba33924
13b444565b3713
145030d5d28856
1525351cb00414
hex1279134c346c

20311224104044 has 24 divisors (see below), whose sum is σ = 36506163341088. Its totient is φ = 9880904580480.

The previous prime is 20311224104029. The next prime is 20311224104051. The reversal of 20311224104044 is 44040142211302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4818312 + ... + 7989904.

It is an arithmetic number, because the mean of its divisors is an integer number (1521090139212).

Almost surely, 220311224104044 is an apocalyptic number.

It is an amenable number.

20311224104044 is a deficient number, since it is larger than the sum of its proper divisors (16194939237044).

20311224104044 is a wasteful number, since it uses less digits than its factorization.

20311224104044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214905 (or 3214903 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 20311224104044 its reverse (44040142211302), we get a palindrome (64351366315346).

The spelling of 20311224104044 in words is "twenty trillion, three hundred eleven billion, two hundred twenty-four million, one hundred four thousand, forty-four".

Divisors: 1 2 4 37 74 148 43271 86542 173084 1601027 3171593 3202054 6343186 6404108 12686372 117348941 234697882 469395764 137238000703 274476001406 548952002812 5077806026011 10155612052022 20311224104044