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255047001553 = 1631564705531
BaseRepresentation
bin1110110110000111111…
…1000110010111010001
3220101022122221002200201
43231201333012113101
513134314013022203
6313100022215201
724266205513001
oct3554177062721
9811278832621
10255047001553
119918a424213
124151a884501
131b087896146
14c4b6c2a001
15697ae56e1d
hex3b61fc65d1

255047001553 has 4 divisors (see below), whose sum is σ = 256611707248. Its totient is φ = 253482295860.

The previous prime is 255047001529. The next prime is 255047001563. The reversal of 255047001553 is 355100740552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-255047001553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255047001523) 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, 782352603 + ... + 782352928.

It is an arithmetic number, because the mean of its divisors is an integer number (64152926812).

Almost surely, 2255047001553 is an apocalyptic number.

It is an amenable number.

255047001553 is a deficient number, since it is larger than the sum of its proper divisors (1564705695).

255047001553 is a wasteful number, since it uses less digits than its factorization.

255047001553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564705694.

The product of its (nonzero) digits is 105000, while the sum is 37.

The spelling of 255047001553 in words is "two hundred fifty-five billion, forty-seven million, one thousand, five hundred fifty-three".

Divisors: 1 163 1564705531 255047001553