Base | Representation |
---|---|
bin | 1000100101101000110… |
… | …0111000010101100100 |
3 | 112002211110201001022000 |
4 | 2021122030320111210 |
5 | 4404131301321423 |
6 | 151440245405300 |
7 | 13442143061241 |
oct | 2113214702544 |
9 | 462743631260 |
10 | 147542213988 |
11 | 57632808144 |
12 | 24717709830 |
13 | 10bb4310500 |
14 | 71d91ac5c8 |
15 | 3c87e41843 |
hex | 225a338564 |
147542213988 has 432 divisors, whose sum is σ = 446625466560. Its totient is φ = 42087112704.
The previous prime is 147542213963. The next prime is 147542214011. The reversal of 147542213988 is 889312245741.
147542213988 is a `hidden beast` number, since 1 + 4 + 7 + 5 + 422 + 139 + 88 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 437810556 + ... + 437810892.
Almost surely, 2147542213988 is an apocalyptic number.
147542213988 is a gapful number since it is divisible by the number (18) 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 147542213988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223312733280).
147542213988 is an abundant number, since it is smaller than the sum of its proper divisors (299083252572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147542213988 is a wasteful number, since it uses less digits than its factorization.
147542213988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 493 (or 455 counting only the distinct ones).
The product of its digits is 3870720, while the sum is 54.
The spelling of 147542213988 in words is "one hundred forty-seven billion, five hundred forty-two million, two hundred thirteen thousand, nine hundred eighty-eight".
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