Search a number
-
+
55330550350251 = 31147103433449107
BaseRepresentation
bin11001001010010101001011…
…10011001000000110101011
321020220112211012002000021220
430211022211303020012223
524223013431342202001
6313402300503033123
714440333421665311
oct1445124563100653
9236815735060256
1055330550350251
11166a26112321a0
12625752143b7a3
1324b4857a11967
14d9402767c0b1
1565e41bb2ac36
hex3252a5cc81ab

55330550350251 has 32 divisors (see below), whose sum is σ = 82201128542208. Its totient is φ = 32817001911840.

The previous prime is 55330550350237. The next prime is 55330550350253. The reversal of 55330550350251 is 15205305503355.

It is not a de Polignac number, because 55330550350251 - 27 = 55330550350123 is a prime.

It is a super-2 number, since 2×553305503502512 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55330550350253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14317440 + ... + 17766546.

It is an arithmetic number, because the mean of its divisors is an integer number (2568785266944).

Almost surely, 255330550350251 is an apocalyptic number.

55330550350251 is a deficient number, since it is larger than the sum of its proper divisors (26870578191957).

55330550350251 is a wasteful number, since it uses less digits than its factorization.

55330550350251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459511.

The product of its (nonzero) digits is 843750, while the sum is 42.

The spelling of 55330550350251 in words is "fifty-five trillion, three hundred thirty billion, five hundred fifty million, three hundred fifty thousand, two hundred fifty-one".

Divisors: 1 3 11 33 47 141 517 1551 10343 31029 113773 341319 486121 1458363 3449107 5347331 10347321 16041993 37940177 113820531 162108029 486324087 1783188319 5349564957 35674113701 107022341103 392415250711 1177245752133 1676683343947 5030050031841 18443516783417 55330550350251