Base | Representation |
---|---|
bin | 1001000000100111101… |
… | …1110011110100000000 |
3 | 112210112021012220201000 |
4 | 2100021323303310000 |
5 | 10014000041340240 |
6 | 155035114212000 |
7 | 14116505003400 |
oct | 2201173636400 |
9 | 483467186630 |
10 | 154785496320 |
11 | 5a70a417394 |
12 | 25bb9424000 |
13 | 11799b462a0 |
14 | 76c5176800 |
15 | 405dcb4430 |
hex | 2409ef3d00 |
154785496320 has 1728 divisors, whose sum is σ = 704640384000. Its totient is φ = 31882346496.
The previous prime is 154785496309. The next prime is 154785496343. The reversal of 154785496320 is 23694587451.
It is a happy number.
154785496320 is a `hidden beast` number, since 1 + 5 + 4 + 78 + 549 + 6 + 3 + 20 = 666.
154785496320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (1728).
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1739162836 + ... + 1739162924.
It is an arithmetic number, because the mean of its divisors is an integer number (407778000).
It is a 1-persistent number, because it is pandigital, but 2⋅154785496320 = 309570992640 is not.
Almost surely, 2154785496320 is an apocalyptic number.
154785496320 is a gapful number since it is divisible by the number (10) 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 154785496320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352320192000).
154785496320 is an abundant number, since it is smaller than the sum of its proper divisors (549854887680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154785496320 is a wasteful number, since it uses less digits than its factorization.
154785496320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 225 (or 198 counting only the distinct ones).
The product of its (nonzero) digits is 7257600, while the sum is 54.
The spelling of 154785496320 in words is "one hundred fifty-four billion, seven hundred eighty-five million, four hundred ninety-six thousand, three hundred twenty".
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