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61305304133801 = 71319110313421091
BaseRepresentation
bin11011111000001110000001…
…11000000011000010101001
322001001201201001101212220102
431330013000320003002221
531013411230324240201
6334215133512035145
715625106405132060
oct1574070070030251
9261051631355812
1061305304133801
1118596484a59552
126a61466392ab5
1328290b081ba30
14111d29a5111d7
15714a594a826b
hex37c1c0e030a9

61305304133801 has 32 divisors (see below), whose sum is σ = 75921311563776. Its totient is φ = 48204526536000.

The previous prime is 61305304133797. The next prime is 61305304133813. The reversal of 61305304133801 is 10833140350316.

It is a cyclic number.

It is not a de Polignac number, because 61305304133801 - 22 = 61305304133797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61305304133851) 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 31 ways as a sum of consecutive naturals, for example, 16209266 + ... + 19630356.

It is an arithmetic number, because the mean of its divisors is an integer number (2372540986368).

Almost surely, 261305304133801 is an apocalyptic number.

It is an amenable number.

61305304133801 is a deficient number, since it is larger than the sum of its proper divisors (14616007429975).

61305304133801 is a wasteful number, since it uses less digits than its factorization.

61305304133801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422333.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 61305304133801 in words is "sixty-one trillion, three hundred five billion, three hundred four million, one hundred thirty-three thousand, eight hundred one".

Divisors: 1 7 13 91 191 1031 1337 2483 7217 13403 17381 93821 196921 1378447 2559973 3421091 17919811 23947637 44474183 311319281 653428381 3527144821 4573998667 8494568953 24690013747 45852882673 59461982671 320970178711 673684660811 4715792625677 8757900590543 61305304133801