Base | Representation |
---|---|
bin | 100110001110010111001111… |
… | …000001001100000111111100 |
3 | 211001020102111020212000102122 |
4 | 212032113033001030013330 |
5 | 134013324442230101002 |
6 | 1353313540530142112 |
7 | 50260514415442412 |
oct | 4616271701140774 |
9 | 731212436760378 |
10 | 168112788128252 |
11 | 49625262230650 |
12 | 16a31474721938 |
13 | 72a5c77616bc6 |
14 | 2d729b93c12b2 |
15 | 1467eed0726a2 |
hex | 98e5cf04c1fc |
168112788128252 has 48 divisors (see below), whose sum is σ = 347051818003968. Its totient is φ = 70389698507520.
The previous prime is 168112788128221. The next prime is 168112788128333. The reversal of 168112788128252 is 252821887211861.
It is a happy number.
168112788128252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2390919278 + ... + 2390989589.
It is an arithmetic number, because the mean of its divisors is an integer number (7230246208416).
Almost surely, 2168112788128252 is an apocalyptic number.
It is an amenable number.
168112788128252 is an abundant number, since it is smaller than the sum of its proper divisors (178939029875716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168112788128252 is a wasteful number, since it uses less digits than its factorization.
168112788128252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4781908946 (or 4781908944 counting only the distinct ones).
The product of its digits is 13762560, while the sum is 62.
The spelling of 168112788128252 in words is "one hundred sixty-eight trillion, one hundred twelve billion, seven hundred eighty-eight million, one hundred twenty-eight thousand, two hundred fifty-two".
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