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1631486130 = 23554382871
BaseRepresentation
bin110000100111110…
…1000000010110010
311012200221002020020
41201033220002302
511320130024010
6425520224310
755300255221
oct14117500262
94180832206
101631486130
11767a2774a
1239646b096
1320000b311
1411696ccb8
159836d470
hex613e80b2

1631486130 has 16 divisors (see below), whose sum is σ = 3915566784. Its totient is φ = 435062960.

The previous prime is 1631486123. The next prime is 1631486173. The reversal of 1631486130 is 316841361.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1631486091 and 1631486100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27191406 + ... + 27191465.

It is an arithmetic number, because the mean of its divisors is an integer number (244722924).

Almost surely, 21631486130 is an apocalyptic number.

1631486130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1631486130 is an abundant number, since it is smaller than the sum of its proper divisors (2284080654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1631486130 is a wasteful number, since it uses less digits than its factorization.

1631486130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54382881.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1631486130 is about 40391.6591637432. The cubic root of 1631486130 is about 1177.2294788322.

The spelling of 1631486130 in words is "one billion, six hundred thirty-one million, four hundred eighty-six thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 54382871 108765742 163148613 271914355 326297226 543828710 815743065 1631486130