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1055215005 = 351313034153
BaseRepresentation
bin111110111001010…
…100110110011101
32201112120110212020
4332321110312131
54130113340010
6252412530353
735102115405
oct7671246635
92645513766
101055215005
114a1706719
122554809b9
1313a8001a0
14a0201805
156298b470
hex3ee54d9d

1055215005 has 32 divisors (see below), whose sum is σ = 1820050176. Its totient is φ = 518966784.

The previous prime is 1055215003. The next prime is 1055215019. The reversal of 1055215005 is 5005125501.

It is not a de Polignac number, because 1055215005 - 21 = 1055215003 is a prime.

It is a super-2 number, since 2×10552150052 = 2226957413554300050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055215003) 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, 252009 + ... + 256161.

It is an arithmetic number, because the mean of its divisors is an integer number (56876568).

Almost surely, 21055215005 is an apocalyptic number.

1055215005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055215005 is a deficient number, since it is larger than the sum of its proper divisors (764835171).

1055215005 is a wasteful number, since it uses less digits than its factorization.

1055215005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5477.

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 1055215005 is about 32484.0730974427. The cubic root of 1055215005 is about 1018.0762809150.

The spelling of 1055215005 in words is "one billion, fifty-five million, two hundred fifteen thousand, five".

Divisors: 1 3 5 13 15 39 65 195 1303 3909 4153 6515 12459 16939 19545 20765 50817 53989 62295 84695 161967 254085 269945 809835 5411359 16234077 27056795 70347667 81170385 211043001 351738335 1055215005