Search a number
-
+
30255278005530 = 2325336169755617
BaseRepresentation
bin1101110000100010110110…
…00110010001110100011010
310222010101011100022002001200
412320101123012101310122
512431200302132134110
6144203025520455030
76241604664546204
oct670213306216432
9128111140262050
1030255278005530
119705211753a46
12348781347a476
1313b60a2b26626
14768512b49774
153770211616c0
hex1b845b191d1a

30255278005530 has 24 divisors (see below), whose sum is σ = 78663722814612. Its totient is φ = 8068074134784.

The previous prime is 30255278005487. The next prime is 30255278005571. The reversal of 30255278005530 is 3550087255203.

It is a happy number.

30255278005530 is a `hidden beast` number, since 3 + 0 + 25 + 5 + 2 + 78 + 0 + 0 + 553 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25000790006241 + 5254487999289 = 5000079^2 + 2292267^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168084877719 + ... + 168084877898.

Almost surely, 230255278005530 is an apocalyptic number.

30255278005530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30255278005530 is an abundant number, since it is smaller than the sum of its proper divisors (48408444809082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30255278005530 is a wasteful number, since it uses less digits than its factorization.

30255278005530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336169755630 (or 336169755627 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The spelling of 30255278005530 in words is "thirty trillion, two hundred fifty-five billion, two hundred seventy-eight million, five thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 336169755617 672339511234 1008509266851 1680848778085 2017018533702 3025527800553 3361697556170 5042546334255 6051055601106 10085092668510 15127639002765 30255278005530