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250030000155 = 35138627148627
BaseRepresentation
bin1110100011011011110…
…0110000100000011011
3212220101000120000121010
43220312330300200123
513044030140001110
6310510122345003
724030655635525
oct3506674604033
9786330500533
10250030000155
1197045464871
124055a65b163
131a768363c70
14c15c7c0a15
156785793020
hex3a36f3081b

250030000155 has 32 divisors (see below), whose sum is σ = 430873761024. Its totient is φ = 123076596096.

The previous prime is 250030000117. The next prime is 250030000159. The reversal of 250030000155 is 551000030052.

250030000155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 250030000155 - 29 = 250029999643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (250030000159) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1607952 + ... + 1756578.

It is an arithmetic number, because the mean of its divisors is an integer number (13464805032).

Almost surely, 2250030000155 is an apocalyptic number.

250030000155 is a deficient number, since it is larger than the sum of its proper divisors (180843760869).

250030000155 is a wasteful number, since it uses less digits than its factorization.

250030000155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157275.

The product of its (nonzero) digits is 750, while the sum is 21.

The spelling of 250030000155 in words is "two hundred fifty billion, thirty million, one hundred fifty-five", and thus it is an aban number.

Divisors: 1 3 5 13 15 39 65 195 8627 25881 43135 112151 129405 148627 336453 445881 560755 743135 1682265 1932151 2229405 5796453 9660755 28982265 1282205129 3846615387 6411025645 16668666677 19233076935 50006000031 83343333385 250030000155