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1080213775488 = 27326771197117
BaseRepresentation
bin11111011100000011100…
…00100010010010000000
310211021012221210102022200
433232001300202102000
5120144234211303423
62144124322033200
7141020463410541
oct17560160422200
93737187712280
101080213775488
11387130573731
121554294a8800
137ab2c79bb13
143a3d574c4c8
151d1738b0d43
hexfb81c22480

1080213775488 has 192 divisors, whose sum is σ = 3199272448320. Its totient is φ = 349699553280.

The previous prime is 1080213775471. The next prime is 1080213775577. The reversal of 1080213775488 is 8845773120801.

1080213775488 is a `hidden beast` number, since 1 + 0 + 8 + 0 + 21 + 3 + 77 + 548 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5381506 + ... + 5578622.

It is an arithmetic number, because the mean of its divisors is an integer number (16662877335).

Almost surely, 21080213775488 is an apocalyptic number.

1080213775488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1080213775488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1599636224160).

1080213775488 is an abundant number, since it is smaller than the sum of its proper divisors (2119058672832).

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

1080213775488 is a wasteful number, since it uses less digits than its factorization.

1080213775488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197275 (or 197260 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

It can be divided in two parts, 1080213 and 775488, that added together give a triangular number (1855701 = T1926).

The spelling of 1080213775488 in words is "one trillion, eighty billion, two hundred thirteen million, seven hundred seventy-five thousand, four hundred eighty-eight".