Search a number
-
+
30526452155 = 5127199324121
BaseRepresentation
bin11100011011100001…
…001011000110111011
32220210102220102222002
4130123201023012323
51000004232432110
622005035451215
72130321363533
oct343341130673
986712812862
1030526452155
1111a45428361
125abb2b6b0b
132b5647c354
1416983284c3
15bd9e69aa5
hex71b84b1bb

30526452155 has 16 divisors (see below), whose sum is σ = 36940237824. Its totient is φ = 24215708160.

The previous prime is 30526452137. The next prime is 30526452191. The reversal of 30526452155 is 55125462503.

It is not a de Polignac number, because 30526452155 - 222 = 30522257851 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1253495 + ... + 1277615.

It is an arithmetic number, because the mean of its divisors is an integer number (2308764864).

Almost surely, 230526452155 is an apocalyptic number.

30526452155 is a deficient number, since it is larger than the sum of its proper divisors (6413785669).

30526452155 is a wasteful number, since it uses less digits than its factorization.

30526452155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26246.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 30526452155 in words is "thirty billion, five hundred twenty-six million, four hundred fifty-two thousand, one hundred fifty-five".

Divisors: 1 5 127 635 1993 9965 24121 120605 253111 1265555 3063367 15316835 48073153 240365765 6105290431 30526452155