Search a number
-
+
30211619545 = 5113227235559
BaseRepresentation
bin11100001000110000…
…001011101011011001
32212222111111021211001
4130020300023223121
5443333133311140
621513511505001
72116446346312
oct341060135331
985874437731
1030211619545
11118a3742a18
125a31988161
132b0618a173
1416685b3609
15bbc4cae9a
hex708c0bad9

30211619545 has 16 divisors (see below), whose sum is σ = 36736053120. Its totient is φ = 23849776384.

The previous prime is 30211619533. The next prime is 30211619597. The reversal of 30211619545 is 54591611203.

It is not a de Polignac number, because 30211619545 - 217 = 30211488473 is a prime.

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, 10476 + ... + 246034.

It is an arithmetic number, because the mean of its divisors is an integer number (2296003320).

Almost surely, 230211619545 is an apocalyptic number.

It is an amenable number.

30211619545 is a deficient number, since it is larger than the sum of its proper divisors (6524433575).

30211619545 is a wasteful number, since it uses less digits than its factorization.

30211619545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235904.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 30211619545 in words is "thirty billion, two hundred eleven million, six hundred nineteen thousand, five hundred forty-five".

Divisors: 1 5 113 227 565 1135 25651 128255 235559 1177795 26618167 53471893 133090835 267359465 6042323909 30211619545