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1840147968 = 2931198013
BaseRepresentation
bin110110110101110…
…0110111000000000
311202020120012110110
41231223212320000
512232034213333
6502332431320
763412666611
oct15553467000
94666505413
101840147968
1186479644a
12434318540
13234309069
14136567c08
15ab839063
hex6dae6e00

1840147968 has 40 divisors (see below), whose sum is σ = 4902273288. Its totient is φ = 613382144.

The previous prime is 1840147951. The next prime is 1840147993. The reversal of 1840147968 is 8697410481.

It is a super-2 number, since 2×18401479682 = 6772289088269058048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597471 + ... + 600542.

Almost surely, 21840147968 is an apocalyptic number.

It is an amenable number.

1840147968 is an abundant number, since it is smaller than the sum of its proper divisors (3062125320).

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

1840147968 is an equidigital number, since it uses as much as digits as its factorization.

1840147968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198034 (or 1198018 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 1840147968 is about 42896.9459052740. The cubic root of 1840147968 is about 1225.4179815905.

The spelling of 1840147968 in words is "one billion, eight hundred forty million, one hundred forty-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1536 1198013 2396026 3594039 4792052 7188078 9584104 14376156 19168208 28752312 38336416 57504624 76672832 115009248 153345664 230018496 306691328 460036992 613382656 920073984 1840147968