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1080121315020 = 2235111636547447
BaseRepresentation
bin11111011011111000011…
…11110100111011001100
310211020222111210221101220
433231330033310323030
5120144042024040040
62144111220203340
7141015261456516
oct17557417647314
93736874727356
101080121315020
11387093361820
12155402539550
137ab16597c97
143a3c7360bb6
151d16a6ea2d0
hexfb7c3f4ecc

1080121315020 has 48 divisors (see below), whose sum is σ = 3299279655168. Its totient is φ = 261847591360.

The previous prime is 1080121314971. The next prime is 1080121315121. The reversal of 1080121315020 is 205131210801.

It is a super-4 number, since 4×10801213150204 (a number of 49 digits) contains 4444 as substring.

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, 818273064 + ... + 818274383.

It is an arithmetic number, because the mean of its divisors is an integer number (68734992816).

Almost surely, 21080121315020 is an apocalyptic number.

1080121315020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1080121315020 is an abundant number, since it is smaller than the sum of its proper divisors (2219158340148).

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

1080121315020 is a wasteful number, since it uses less digits than its factorization.

1080121315020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636547470 (or 1636547468 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 1080121315020 its reverse (205131210801), we get a palindrome (1285252525821).

The spelling of 1080121315020 in words is "one trillion, eighty billion, one hundred twenty-one million, three hundred fifteen thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 1636547447 3273094894 4909642341 6546189788 8182737235 9819284682 16365474470 18002021917 19638569364 24548211705 32730948940 36004043834 49096423410 54006065751 72008087668 90010109585 98192846820 108012131502 180020219170 216024263004 270030328755 360040438340 540060657510 1080121315020