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255278030255 = 51571631995061
BaseRepresentation
bin1110110110111111000…
…0011001110110101111
3220101220202122120111022
43231233300121312233
513140302133432010
6313134554044355
724305012312033
oct3555760316657
9811822576438
10255278030255
119929887a526
12415841196bb
131b0c36c5711
14c4d97a81c3
15699138ed55
hex3b6fc19daf

255278030255 has 16 divisors (see below), whose sum is σ = 310176279264. Its totient is φ = 201676625280.

The previous prime is 255278030233. The next prime is 255278030263. The reversal of 255278030255 is 552030872552.

It is not a de Polignac number, because 255278030255 - 220 = 255276981679 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 869576 + ... + 1125485.

It is an arithmetic number, because the mean of its divisors is an integer number (19386017454).

Almost surely, 2255278030255 is an apocalyptic number.

255278030255 is a deficient number, since it is larger than the sum of its proper divisors (54898249009).

255278030255 is a wasteful number, since it uses less digits than its factorization.

255278030255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995386.

The product of its (nonzero) digits is 840000, while the sum is 44.

The spelling of 255278030255 in words is "two hundred fifty-five billion, two hundred seventy-eight million, thirty thousand, two hundred fifty-five".

Divisors: 1 5 157 163 785 815 25591 127955 1995061 9975305 313224577 325194943 1566122885 1625974715 51055606051 255278030255