Base | Representation |
---|---|
bin | 100011001001110011010100… |
… | …111111101111001110110000 |
3 | 202021102010002100100021101222 |
4 | 203021303110333233032300 |
5 | 130231022440330441021 |
6 | 1304452353355044212 |
7 | 44364600246141560 |
oct | 4311632477571660 |
9 | 667363070307358 |
10 | 154605216265136 |
11 | 4529778203964a |
12 | 1540b63a140668 |
13 | 6836294bb1160 |
14 | 2a26d0a6b8da0 |
15 | 12d198317c6ab |
hex | 8c9cd4fef3b0 |
154605216265136 has 160 divisors (see below), whose sum is σ = 379775917785600. Its totient is φ = 59337374607360.
The previous prime is 154605216265099. The next prime is 154605216265139. The reversal of 154605216265136 is 631562612506451.
It is not an unprimeable number, because it can be changed into a prime (154605216265139) 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, 3451295 + ... + 17919873.
It is an arithmetic number, because the mean of its divisors is an integer number (2373599486160).
Almost surely, 2154605216265136 is an apocalyptic number.
154605216265136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 154605216265136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189887958892800).
154605216265136 is an abundant number, since it is smaller than the sum of its proper divisors (225170701520464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154605216265136 is a wasteful number, since it uses less digits than its factorization.
154605216265136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14468827 (or 14468821 counting only the distinct ones).
The product of its (nonzero) digits is 7776000, while the sum is 53.
The spelling of 154605216265136 in words is "one hundred fifty-four trillion, six hundred five billion, two hundred sixteen million, two hundred sixty-five thousand, one hundred thirty-six".
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