Base | Representation |
---|---|
bin | 101010011101111110… |
… | …1110100110011100100 |
3 | 22201101220121010111001 |
4 | 1110323331310303210 |
5 | 2443234244013121 |
6 | 105521420323044 |
7 | 6406013256100 |
oct | 1247375646344 |
9 | 281356533431 |
10 | 91200376036 |
11 | 35750264400 |
12 | 158129a3484 |
13 | 87a5718963 |
14 | 45b24c8900 |
15 | 258b93d991 |
hex | 153bf74ce4 |
91200376036 has 243 divisors, whose sum is σ = 213766665147. Its totient is φ = 33919966080.
The previous prime is 91200376031. The next prime is 91200376049. The reversal of 91200376036 is 63067300219.
The square root of 91200376036 is 301994.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 36406929636 + 54793446400 = 190806^2 + 234080^2 .
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a junction number, because it is equal to n+sod(n) for n = 91200375986 and 91200376004.
It is not an unprimeable number, because it can be changed into a prime (91200376031) by changing a digit.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1720761786 + ... + 1720761838.
Almost surely, 291200376036 is an apocalyptic number.
91200376036 is the 301994-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 91200376036
91200376036 is an abundant number, since it is smaller than the sum of its proper divisors (122566289111).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91200376036 is a wasteful number, since it uses less digits than its factorization.
91200376036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 220 (or 110 counting only the distinct ones).
The product of its (nonzero) digits is 40824, while the sum is 37.
The spelling of 91200376036 in words is "ninety-one billion, two hundred million, three hundred seventy-six thousand, thirty-six".
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