Base | Representation |
---|---|
bin | 110010111111011111110000… |
… | …1100001011111101110100001 |
3 | 2011211010012020100200221002120 |
4 | 1211332333201201133232201 |
5 | 432242220014403433011 |
6 | 4225540311014534453 |
7 | 163322222013623223 |
oct | 14576774141375641 |
9 | 2154105210627076 |
10 | 448531513342881 |
11 | 11aa091680a9321 |
12 | 423804b4367429 |
13 | 16337456603a87 |
14 | 7ca9080a08413 |
15 | 36cc502300a06 |
hex | 197efe185fba1 |
448531513342881 has 8 divisors (see below), whose sum is σ = 601173127832064. Its totient is φ = 297455453874480.
The previous prime is 448531513342789. The next prime is 448531513342903. The reversal of 448531513342881 is 188243315135844.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 448531513342881 - 27 = 448531513342753 is a prime.
It is a super-2 number, since 2×4485315133428812 (a number of 30 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (448531513340881) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391388754526 + ... + 391388755671.
It is an arithmetic number, because the mean of its divisors is an integer number (75146640979008).
Almost surely, 2448531513342881 is an apocalyptic number.
It is an amenable number.
448531513342881 is a deficient number, since it is larger than the sum of its proper divisors (152641614489183).
448531513342881 is a wasteful number, since it uses less digits than its factorization.
448531513342881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 782777510391.
The product of its digits is 44236800, while the sum is 60.
The spelling of 448531513342881 in words is "four hundred forty-eight trillion, five hundred thirty-one billion, five hundred thirteen million, three hundred forty-two thousand, eight hundred eighty-one".
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