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48668072440 = 2351327199419
BaseRepresentation
bin101101010100110101…
…111101100111111000
311122121202120020111111
4231110311331213320
51244133011304230
634205141410104
73342016535011
oct552465754770
9148552506444
1048668072440
1119704949179
129522a09934
134787b36600
1424d989c008
1513ec99992a
hexb54d7d9f8

48668072440 has 48 divisors (see below), whose sum is σ = 118574447400. Its totient is φ = 17969747328.

The previous prime is 48668072407. The next prime is 48668072461. The reversal of 48668072440 is 4427086684.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3592950 + ... + 3606469.

Almost surely, 248668072440 is an apocalyptic number.

48668072440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48668072440 is an abundant number, since it is smaller than the sum of its proper divisors (69906374960).

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

48668072440 is a wasteful number, since it uses less digits than its factorization.

48668072440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7199456 (or 7199439 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 49.

The spelling of 48668072440 in words is "forty-eight billion, six hundred sixty-eight million, seventy-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 169 260 338 520 676 845 1352 1690 3380 6760 7199419 14398838 28797676 35997095 57595352 71994190 93592447 143988380 187184894 287976760 374369788 467962235 748739576 935924470 1216701811 1871848940 2433403622 3743697880 4866807244 6083509055 9733614488 12167018110 24334036220 48668072440