Search a number
-
+
61358084001 = 326817564889
BaseRepresentation
bin111001001001001110…
…100000111110100001
312212101011001121202200
4321021032200332201
52001130132142001
644104300403413
74301340052164
oct711116407641
9185334047680
1061358084001
1124027047735
12ba84846569
135a2ac20ca6
142d80db3adb
1518e1ab8086
hexe493a0fa1

61358084001 has 6 divisors (see below), whose sum is σ = 88628343570. Its totient is φ = 40905389328.

The previous prime is 61358083993. The next prime is 61358084069. The reversal of 61358084001 is 10048085316.

It can be written as a sum of positive squares in only one way, i.e., 33810383376 + 27547700625 = 183876^2 + 165975^2 .

It is not a de Polignac number, because 61358084001 - 23 = 61358083993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61358082001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3408782436 + ... + 3408782453.

It is an arithmetic number, because the mean of its divisors is an integer number (14771390595).

Almost surely, 261358084001 is an apocalyptic number.

It is an amenable number.

61358084001 is a deficient number, since it is larger than the sum of its proper divisors (27270259569).

61358084001 is a wasteful number, since it uses less digits than its factorization.

61358084001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6817564895 (or 6817564892 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 61358084001 in words is "sixty-one billion, three hundred fifty-eight million, eighty-four thousand, one".

Divisors: 1 3 9 6817564889 20452694667 61358084001