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1343203872 = 253123711311
BaseRepresentation
bin101000000001111…
…1010101000100000
310110121110211022120
41100003322220200
510222330010442
6341141304240
745200021163
oct12003725040
93417424276
101343203872
1162a226a4a
12315a05080
13185383bba
14ca569ada
157cdc64ec
hex500faa20

1343203872 has 48 divisors (see below), whose sum is σ = 3529072512. Its totient is φ = 447333120.

The previous prime is 1343203861. The next prime is 1343203907. The reversal of 1343203872 is 2783023431.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113097 + ... + 124407.

It is an arithmetic number, because the mean of its divisors is an integer number (73522344).

Almost surely, 21343203872 is an apocalyptic number.

1343203872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1343203872 is an abundant number, since it is smaller than the sum of its proper divisors (2185868640).

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

1343203872 is a wasteful number, since it uses less digits than its factorization.

1343203872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12561 (or 12553 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 1343203872 is about 36649.7458654218. The cubic root of 1343203872 is about 1103.3517250539.

The spelling of 1343203872 in words is "one billion, three hundred forty-three million, two hundred three thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1237 2474 3711 4948 7422 9896 11311 14844 19792 22622 29688 33933 39584 45244 59376 67866 90488 118752 135732 180976 271464 361952 542928 1085856 13991707 27983414 41975121 55966828 83950242 111933656 167900484 223867312 335800968 447734624 671601936 1343203872