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16106216516020 = 225805310825801
BaseRepresentation
bin1110101001100000010101…
…0100000110100110110100
32010000201221220212212210101
43222120011110012212310
54102341012412003040
654131032124403444
73251431026345421
oct352300524064664
963021856785711
1016106216516020
11514a676376014
1219815ab3a6584
138caa6abb14a7
143d978b82cd48
151cde5dc6b09a
hexea6055069b4

16106216516020 has 12 divisors (see below), whose sum is σ = 33823054683684. Its totient is φ = 6442486606400.

The previous prime is 16106216515943. The next prime is 16106216516081. The reversal of 16106216516020 is 2061561260161.

It can be written as a sum of positive squares in 2 ways, for example, as 3792475815184 + 12313740700836 = 1947428^2 + 3509094^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402655412881 + ... + 402655412920.

It is an arithmetic number, because the mean of its divisors is an integer number (2818587890307).

Almost surely, 216106216516020 is an apocalyptic number.

16106216516020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16106216516020 is an abundant number, since it is smaller than the sum of its proper divisors (17716838167664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16106216516020 is a wasteful number, since it uses less digits than its factorization.

16106216516020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805310825810 (or 805310825808 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

Adding to 16106216516020 its reverse (2061561260161), we get a palindrome (18167777776181).

The spelling of 16106216516020 in words is "sixteen trillion, one hundred six billion, two hundred sixteen million, five hundred sixteen thousand, twenty".

Divisors: 1 2 4 5 10 20 805310825801 1610621651602 3221243303204 4026554129005 8053108258010 16106216516020