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1055105511 = 31971260713
BaseRepresentation
bin111110111000111…
…010000111100111
32201112100220122220
4332320322013213
54130101334021
6252410323423
735101151235
oct7670720747
92645326586
101055105511
114a1641429
12255429573
1313a7923b5
14a01b3955
1562968cc6
hex3ee3a1e7

1055105511 has 16 divisors (see below), whose sum is σ = 1501712640. Its totient is φ = 656994240.

The previous prime is 1055105507. The next prime is 1055105531. The reversal of 1055105511 is 1155015501.

It is not a de Polignac number, because 1055105511 - 22 = 1055105507 is a prime.

It is a super-2 number, since 2×10551055112 = 2226495278685142242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055105501) 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 15 ways as a sum of consecutive naturals, for example, 126310 + ... + 134403.

It is an arithmetic number, because the mean of its divisors is an integer number (93857040).

Almost surely, 21055105511 is an apocalyptic number.

1055105511 is a deficient number, since it is larger than the sum of its proper divisors (446607129).

1055105511 is a wasteful number, since it uses less digits than its factorization.

1055105511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260806.

The product of its (nonzero) digits is 625, while the sum is 24.

The square root of 1055105511 is about 32482.3877047239. The cubic root of 1055105511 is about 1018.0410662591.

The spelling of 1055105511 in words is "one billion, fifty-five million, one hundred five thousand, five hundred eleven".

Divisors: 1 3 19 57 71 213 1349 4047 260713 782139 4953547 14860641 18510623 55531869 351701837 1055105511