Search a number
-
+
545330439976 = 237191074789987
BaseRepresentation
bin1111110111110000011…
…10100010011100101000
31221010121000102122201211
413323320032202130220
532413314043034401
61054304335522504
754253540154440
oct7737016423450
91833530378654
10545330439976
111a03008a8a33
1289832089434
133c56965701a
141c57370b120
15e2ba594951
hex7ef83a2728

545330439976 has 64 divisors (see below), whose sum is σ = 1241564889600. Its totient is φ = 219343038912.

The previous prime is 545330439971. The next prime is 545330439977. The reversal of 545330439976 is 679934033545.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 545330439976.

It is not an unprimeable number, because it can be changed into a prime (545330439971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2281146 + ... + 2508841.

It is an arithmetic number, because the mean of its divisors is an integer number (19399451400).

Almost surely, 2545330439976 is an apocalyptic number.

545330439976 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

545330439976 is an abundant number, since it is smaller than the sum of its proper divisors (696234449624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545330439976 is a wasteful number, since it uses less digits than its factorization.

545330439976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4790126 (or 4790122 counting only the distinct ones).

The product of its (nonzero) digits is 36741600, while the sum is 58.

The spelling of 545330439976 in words is "five hundred forty-five billion, three hundred thirty million, four hundred thirty-nine thousand, nine hundred seventy-six".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 107 133 152 214 266 428 532 749 856 1064 1498 2033 2996 4066 5992 8132 14231 16264 28462 56924 113848 4789987 9579974 19159948 33529909 38319896 67059818 91009753 134119636 182019506 268239272 364039012 512528609 637068271 728078024 1025057218 1274136542 2050114436 2548273084 3587700263 4100228872 5096546168 7175400526 9738043571 14350801052 19476087142 28701602104 38952174284 68166304997 77904348568 136332609994 272665219988 545330439976