Search a number
-
+
30274492625128 = 2318047209692003
BaseRepresentation
bin1101110001000110101000…
…11000001111000011101000
310222012012202102222212221101
412320203110120033003220
512432004130103001003
6144215524312451144
76243155102246263
oct670432430170350
9128165672885841
1030274492625128
119712381918054
12348b4963a9ab4
1313b7b4589981b
147694169cdcda
15377797e9211d
hex1b88d460f0e8

30274492625128 has 16 divisors (see below), whose sum is σ = 56767819322880. Its totient is φ = 15136407472368.

The previous prime is 30274492625123. The next prime is 30274492625149. The reversal of 30274492625128 is 82152629447203.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30274492625123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104701626 + ... + 104990377.

It is an arithmetic number, because the mean of its divisors is an integer number (3547988707680).

It is a 1-persistent number, because it is pandigital, but 2⋅30274492625128 = 60548985250256 is not.

Almost surely, 230274492625128 is an apocalyptic number.

It is an amenable number.

30274492625128 is a deficient number, since it is larger than the sum of its proper divisors (26493326697752).

30274492625128 is a wasteful number, since it uses less digits than its factorization.

30274492625128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209710056 (or 209710052 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 30274492625128 in words is "thirty trillion, two hundred seventy-four billion, four hundred ninety-two million, six hundred twenty-five thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 18047 36094 72188 144376 209692003 419384006 838768012 1677536024 3784311578141 7568623156282 15137246312564 30274492625128