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1320485248880 = 24572358009373
BaseRepresentation
bin10011001101110011000…
…011011101111101110000
311200020101212221220210122
4103031303003131331300
5133113323210431010
62450342245345412
7164254566264140
oct23156303357560
94606355856718
101320485248880
1146a018552946
12193b03a08268
13976a1190b95
1447caa0a6920
1524537593855
hex133730ddf70

1320485248880 has 40 divisors (see below), whose sum is σ = 3508717948512. Its totient is φ = 452737799424.

The previous prime is 1320485248853. The next prime is 1320485248897. The reversal of 1320485248880 is 888425840231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179004127 + ... + 1179005246.

Almost surely, 21320485248880 is an apocalyptic number.

1320485248880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320485248880 is an abundant number, since it is smaller than the sum of its proper divisors (2188232699632).

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

1320485248880 is a wasteful number, since it uses less digits than its factorization.

1320485248880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358009393 (or 2358009387 counting only the distinct ones).

The product of its (nonzero) digits is 3932160, while the sum is 53.

The spelling of 1320485248880 in words is "one trillion, three hundred twenty billion, four hundred eighty-five million, two hundred forty-eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 2358009373 4716018746 9432037492 11790046865 16506065611 18864074984 23580093730 33012131222 37728149968 47160187460 66024262444 82530328055 94320374920 132048524888 165060656110 188640749840 264097049776 330121312220 660242624440 1320485248880