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1208080881240 = 233525140108927
BaseRepresentation
bin10001100101000111001…
…110110101011001011000
311021111021020022102002020
4101211013032311121120
5124243122201144430
62322552405534440
7153165241026402
oct21450716653130
94244236272066
101208080881240
11426387187842
12176173a14420
1389bc980933c
1442685847b72
1521659360b10
hex119473b5658

1208080881240 has 64 divisors (see below), whose sum is σ = 3638681948160. Its totient is φ = 320871408000.

The previous prime is 1208080881229. The next prime is 1208080881269. The reversal of 1208080881240 is 421880808021.

It is a super-2 number, since 2×12080808812402 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1208080881192 and 1208080881201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20024344 + ... + 20084583.

It is an arithmetic number, because the mean of its divisors is an integer number (56854405440).

Almost surely, 21208080881240 is an apocalyptic number.

1208080881240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1208080881240 is an abundant number, since it is smaller than the sum of its proper divisors (2430601066920).

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

1208080881240 is a wasteful number, since it uses less digits than its factorization.

1208080881240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40109192 (or 40109188 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 42.

The spelling of 1208080881240 in words is "one trillion, two hundred eight billion, eighty million, eight hundred eighty-one thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 251 502 753 1004 1255 1506 2008 2510 3012 3765 5020 6024 7530 10040 15060 30120 40108927 80217854 120326781 160435708 200544635 240653562 320871416 401089270 481307124 601633905 802178540 962614248 1203267810 1604357080 2406535620 4813071240 10067340677 20134681354 30202022031 40269362708 50336703385 60404044062 80538725416 100673406770 120808088124 151010110155 201346813540 241616176248 302020220310 402693627080 604040440620 1208080881240