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1630882011 = 311131377257
BaseRepresentation
bin110000100110101…
…0100100011011011
311012122210101112110
41201031110203123
511320001211021
6425455243403
755262161023
oct14115244333
94178711473
101630882011
11767654880
12396219563
131ccb59355
14116852a83
159829e476
hex613548db

1630882011 has 16 divisors (see below), whose sum is σ = 2390306688. Its totient is φ = 980865600.

The previous prime is 1630881991. The next prime is 1630882021. The reversal of 1630882011 is 1102880361.

It is not a de Polignac number, because 1630882011 - 25 = 1630881979 is a prime.

It is a super-2 number, since 2×16308820112 = 5319552267606808242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1630882011.

It is not an unprimeable number, because it can be changed into a prime (1630882021) 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, 184306 + ... + 192951.

It is an arithmetic number, because the mean of its divisors is an integer number (149394168).

Almost surely, 21630882011 is an apocalyptic number.

1630882011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1630882011 is a deficient number, since it is larger than the sum of its proper divisors (759424677).

1630882011 is a wasteful number, since it uses less digits than its factorization.

1630882011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377402.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1630882011 is about 40384.1802071059. The cubic root of 1630882011 is about 1177.0841564210.

The spelling of 1630882011 in words is "one billion, six hundred thirty million, eight hundred eighty-two thousand, eleven".

Divisors: 1 3 11 33 131 393 1441 4323 377257 1131771 4149827 12449481 49420667 148262001 543627337 1630882011