Base | Representation |
---|---|
bin | 1000111110100110100… |
… | …0101101100010100100 |
3 | 112202010111120200201220 |
4 | 2033221220231202210 |
5 | 10011342331301410 |
6 | 154505240020340 |
7 | 14100205062153 |
oct | 2175150554244 |
9 | 482114520656 |
10 | 154243618980 |
11 | 5a461557980 |
12 | 25a87a616b0 |
13 | 117117bacc9 |
14 | 76731dd59a |
15 | 402b428070 |
hex | 23e9a2d8a4 |
154243618980 has 48 divisors (see below), whose sum is σ = 471144147264. Its totient is φ = 37392392320.
The previous prime is 154243618979. The next prime is 154243618999. The reversal of 154243618980 is 89816342451.
154243618980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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, 116850567 + ... + 116851886.
It is an arithmetic number, because the mean of its divisors is an integer number (9815503068).
Almost surely, 2154243618980 is an apocalyptic number.
154243618980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
154243618980 is an abundant number, since it is smaller than the sum of its proper divisors (316900528284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154243618980 is a wasteful number, since it uses less digits than its factorization.
154243618980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 233702476 (or 233702474 counting only the distinct ones).
The product of its (nonzero) digits is 1658880, while the sum is 51.
The spelling of 154243618980 in words is "one hundred fifty-four billion, two hundred forty-three million, six hundred eighteen thousand, nine hundred eighty".
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