Search a number
-
+
30215835413 = 192957537811
BaseRepresentation
bin11100001001000000…
…010000111100010101
32212222210102110220022
4130021000100330111
5443340223213123
621514142114525
72116530235421
oct341100207425
985883373808
1030215835413
11118a6062405
125a3327ba45
132b0700506a
141668d8db81
15bbca601c8
hex709010f15

30215835413 has 8 divisors (see below), whose sum is σ = 31816957920. Its totient is φ = 28615794480.

The previous prime is 30215835407. The next prime is 30215835457. The reversal of 30215835413 is 31453851203.

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 30215835413 - 220 = 30214786837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30215835493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212723 + ... + 325088.

It is an arithmetic number, because the mean of its divisors is an integer number (3977119740).

Almost surely, 230215835413 is an apocalyptic number.

It is an amenable number.

30215835413 is a deficient number, since it is larger than the sum of its proper divisors (1601122507).

30215835413 is a wasteful number, since it uses less digits than its factorization.

30215835413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540787.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 30215835413 in words is "thirty billion, two hundred fifteen million, eight hundred thirty-five thousand, four hundred thirteen".

Divisors: 1 19 2957 56183 537811 10218409 1590307127 30215835413