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1005051055 = 5474319923
BaseRepresentation
bin111011111001111…
…101110010101111
32121001011212212011
4323321331302233
54024243113210
6243421422051
733622536001
oct7371756257
92531155764
101005051055
11476363808
1224070a927
131302b8288
14976a4371
155d37cd8a
hex3be7dcaf

1005051055 has 16 divisors (see below), whose sum is σ = 1234704384. Its totient is φ = 785028640.

The previous prime is 1005051023. The next prime is 1005051059. The reversal of 1005051055 is 5501505001.

It is not a de Polignac number, because 1005051055 - 25 = 1005051023 is a prime.

It is a super-2 number, since 2×10050510552 = 2020255246313226050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005051059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96324 + ... + 106246.

It is an arithmetic number, because the mean of its divisors is an integer number (77169024).

Almost surely, 21005051055 is an apocalyptic number.

1005051055 is a deficient number, since it is larger than the sum of its proper divisors (229653329).

1005051055 is an equidigital number, since it uses as much as digits as its factorization.

1005051055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10406.

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 1005051055 is about 31702.5401979084. The cubic root of 1005051055 is about 1001.6808581330.

Adding to 1005051055 its reverse (5501505001), we get a palindrome (6506556056).

The spelling of 1005051055 in words is "one billion, five million, fifty-one thousand, fifty-five".

Divisors: 1 5 47 235 431 2155 9923 20257 49615 101285 466381 2331905 4276813 21384065 201010211 1005051055