Base | Representation |
---|---|
bin | 101100010010011100… |
… | …011100111100111001 |
3 | 11112202010102000011201 |
4 | 230102130130330321 |
5 | 1234342321320021 |
6 | 33502425054201 |
7 | 3302302041124 |
oct | 542234347471 |
9 | 145663360151 |
10 | 47554088761 |
11 | 19193052803 |
12 | 9271927361 |
13 | 463b0caa7a |
14 | 243195d3bb |
15 | 1384ca0591 |
hex | b1271cf39 |
47554088761 has 3 divisors (see below), whose sum is σ = 47554306831. Its totient is φ = 47553870692.
The previous prime is 47554088749. The next prime is 47554088783. The reversal of 47554088761 is 16788045574.
The square root of 47554088761 is 218069.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in only one way, i.e., 1937672361 + 45616416400 = 44019^2 + 213580^2 .
It is not a de Polignac number, because 47554088761 - 29 = 47554088249 is a prime.
It is a super-2 number, since 2×475540887612 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47554089761) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 109035 + ... + 327103.
Almost surely, 247554088761 is an apocalyptic number.
47554088761 is the 218069-th square number.
47554088761 is the 109035-th centered octagonal number.
It is an amenable number.
47554088761 is a deficient number, since it is larger than the sum of its proper divisors (218070).
47554088761 is an frugal number, since it uses more digits than its factorization.
47554088761 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 436138 (or 218069 counting only the distinct ones).
The product of its (nonzero) digits is 7526400, while the sum is 55.
The spelling of 47554088761 in words is "forty-seven billion, five hundred fifty-four million, eighty-eight thousand, seven hundred sixty-one".
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