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1012682840 = 235131947467
BaseRepresentation
bin111100010111000…
…101000001011000
32121120112121200212
4330113011001120
54033221322330
6244253150252
734044443051
oct7427050130
92546477625
101012682840
1147a6a6674
1224318b388
13131a5ac20
14986cd728
155dd89295
hex3c5c5058

1012682840 has 32 divisors (see below), whose sum is σ = 2453809680. Its totient is φ = 373913472.

The previous prime is 1012682837. The next prime is 1012682857. The reversal of 1012682840 is 482862101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1012682797 and 1012682806.

It is a congruent number.

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, 973214 + ... + 974253.

Almost surely, 21012682840 is an apocalyptic number.

1012682840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012682840 is an abundant number, since it is smaller than the sum of its proper divisors (1441126840).

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

1012682840 is a wasteful number, since it uses less digits than its factorization.

1012682840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947491 (or 1947487 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 1012682840 is about 31822.6780771198. The cubic root of 1012682840 is about 1004.2098654954.

The spelling of 1012682840 in words is "one billion, twelve million, six hundred eighty-two thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 1947467 3894934 7789868 9737335 15579736 19474670 25317071 38949340 50634142 77898680 101268284 126585355 202536568 253170710 506341420 1012682840