Search a number
-
+
5215324325551 = 61191523855887
BaseRepresentation
bin100101111100100100110…
…0011011100011010101111
3200110120122220211012121121
41023321021203130122233
51140421441011404201
615031515324041411
71045536412221124
oct113711143343257
920416586735547
105215324325551
11173089668931a
12702921693267
132baa591964a2
141405ccb9474b
15909e11c19a1
hex4be498dc6af

5215324325551 has 16 divisors (see below), whose sum is σ = 5338769154048. Its totient is φ = 5093206408800.

The previous prime is 5215324325531. The next prime is 5215324325593. The reversal of 5215324325551 is 1555234235125.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5215324325551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5215324325498 and 5215324325507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215324325531) 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, 5665530 + ... + 6521416.

It is an arithmetic number, because the mean of its divisors is an integer number (333673072128).

Almost surely, 25215324325551 is an apocalyptic number.

5215324325551 is a deficient number, since it is larger than the sum of its proper divisors (123444828497).

5215324325551 is a wasteful number, since it uses less digits than its factorization.

5215324325551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856662.

The product of its digits is 900000, while the sum is 43.

The spelling of 5215324325551 in words is "five trillion, two hundred fifteen billion, three hundred twenty-four million, three hundred twenty-five thousand, five hundred fifty-one".

Divisors: 1 61 191 523 11651 31903 99893 855887 6093473 52209107 163474417 447628901 9971939437 27305362961 85497120091 5215324325551