Base | Representation |
---|---|
bin | 100011010001011101011111… |
… | …110001011001110001010000 |
3 | 202100021102121002112011211122 |
4 | 203101131133301121301100 |
5 | 130313133333310102402 |
6 | 1305534235152501412 |
7 | 44450611641561026 |
oct | 4321353761316120 |
9 | 670242532464748 |
10 | 155131530550352 |
11 | 4547aa047a7aa4 |
12 | 1549564384a868 |
13 | 6873ac09325a5 |
14 | 2a44598644716 |
15 | 12e04d9045ca2 |
hex | 8d175fc59c50 |
155131530550352 has 160 divisors (see below), whose sum is σ = 316111711055616. Its totient is φ = 73697529651200.
The previous prime is 155131530550351. The next prime is 155131530550369. The reversal of 155131530550352 is 253055035131551.
155131530550352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×1551315305503523 (a number of 44 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155131530550351) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 864436952 + ... + 864616392.
Almost surely, 2155131530550352 is an apocalyptic number.
It is an amenable number.
155131530550352 is an abundant number, since it is smaller than the sum of its proper divisors (160980180505264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155131530550352 is a wasteful number, since it uses less digits than its factorization.
155131530550352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 179829 (or 179823 counting only the distinct ones).
The product of its (nonzero) digits is 843750, while the sum is 44.
The spelling of 155131530550352 in words is "one hundred fifty-five trillion, one hundred thirty-one billion, five hundred thirty million, five hundred fifty thousand, three hundred fifty-two".
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