Search a number
-
+
32215430105 = 561671576483
BaseRepresentation
bin11110000000001100…
…000111001111011001
310002011011000102010222
4132000030013033121
51011434122230410
622444412245425
72220220431515
oct360014071731
9102134012128
1032215430105
1112731852501
1262b0a70875
133065369aa1
1417b8781145
15c88392955
hex7803073d9

32215430105 has 16 divisors (see below), whose sum is σ = 39878739264. Its totient is φ = 24971474880.

The previous prime is 32215430099. The next prime is 32215430147. The reversal of 32215430105 is 50103451223.

It is a happy number.

It is not a de Polignac number, because 32215430105 - 26 = 32215430041 is a prime.

It is a super-2 number, since 2×322154301052 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 767807 + ... + 808676.

It is an arithmetic number, because the mean of its divisors is an integer number (2492421204).

Almost surely, 232215430105 is an apocalyptic number.

It is an amenable number.

32215430105 is a deficient number, since it is larger than the sum of its proper divisors (7663309159).

32215430105 is a wasteful number, since it uses less digits than its factorization.

32215430105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576616.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 32215430105 its reverse (50103451223), we get a palindrome (82318881328).

The spelling of 32215430105 in words is "thirty-two billion, two hundred fifteen million, four hundred thirty thousand, one hundred five".

Divisors: 1 5 61 67 305 335 4087 20435 1576483 7882415 96165463 105624361 480827315 528121805 6443086021 32215430105