Search a number
-
+
620132727557 = 7412160741211
BaseRepresentation
bin10010000011000101100…
…10100111101100000101
32012021200010010120201102
421001202302213230011
540130012434240212
61152515100305445
762542316132510
oct11014262475405
92167603116642
10620132727557
11219aa6837812
12a0229242285
134662a997255
142202c039d77
15111e75a55c2
hex9062ca7b05

620132727557 has 8 divisors (see below), whose sum is σ = 726009047232. Its totient is φ = 518577890400.

The previous prime is 620132727551. The next prime is 620132727559. The reversal of 620132727557 is 755727231026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 620132727557 - 24 = 620132727541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620132727551) 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 7 ways as a sum of consecutive naturals, for example, 1080370319 + ... + 1080370892.

It is an arithmetic number, because the mean of its divisors is an integer number (90751130904).

Almost surely, 2620132727557 is an apocalyptic number.

It is an amenable number.

620132727557 is a deficient number, since it is larger than the sum of its proper divisors (105876319675).

620132727557 is a wasteful number, since it uses less digits than its factorization.

620132727557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160741259.

The product of its (nonzero) digits is 1234800, while the sum is 47.

The spelling of 620132727557 in words is "six hundred twenty billion, one hundred thirty-two million, seven hundred twenty-seven thousand, five hundred fifty-seven".

Divisors: 1 7 41 287 2160741211 15125188477 88590389651 620132727557