Base | Representation |
---|---|
bin | 110001111001101101… |
… | …000110100100100000 |
3 | 12010022011222220110000 |
4 | 301321231012210200 |
5 | 1334213324132310 |
6 | 40340500540000 |
7 | 3604541005101 |
oct | 617155064440 |
9 | 163264886400 |
10 | 53581474080 |
11 | 207a6388592 |
12 | a4743b1600 |
13 | 508ba64664 |
14 | 284425a3a8 |
15 | 15d8ee74c0 |
hex | c79b46920 |
53581474080 has 240 divisors, whose sum is σ = 190870162560. Its totient is φ = 14154490368.
The previous prime is 53581473961. The next prime is 53581474087. The reversal of 53581474080 is 8047418535.
53581474080 is a `hidden beast` number, since 53 + 58 + 1 + 474 + 0 + 80 = 666.
It is a tau number, because it is divible by the number of its divisors (240).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (53581474087) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1367401 + ... + 1406039.
It is an arithmetic number, because the mean of its divisors is an integer number (795292344).
Almost surely, 253581474080 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 53581474080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95435081280).
53581474080 is an abundant number, since it is smaller than the sum of its proper divisors (137288688480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53581474080 is a wasteful number, since it uses less digits than its factorization.
53581474080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38773 (or 38756 counting only the distinct ones).
The product of its (nonzero) digits is 537600, while the sum is 45.
The spelling of 53581474080 in words is "fifty-three billion, five hundred eighty-one million, four hundred seventy-four thousand, eighty".
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