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18234897468480 = 2632571182228073
BaseRepresentation
bin1000010010101101001001…
…00101100000110001000000
32101120020110100122102022200
410021112210211200301000
54342230032222442410
6102440555105033200
73561266521036260
oct411264445406100
971506410572280
1018234897468480
1158a0416268aa0
122066066325800
13a2370ac73684
144708065097a0
152194e8da83c0
hex1095a4960c40

18234897468480 has 336 divisors, whose sum is σ = 78196924900224. Its totient is φ = 3789069557760.

The previous prime is 18234897468467. The next prime is 18234897468481. The reversal of 18234897468480 is 8486479843281.

18234897468480 is a `hidden beast` number, since 1 + 8 + 2 + 3 + 4 + 89 + 7 + 4 + 68 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×182348974684802 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 18234897468399 and 18234897468408.

It is not an unprimeable number, because it can be changed into a prime (18234897468481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40892277 + ... + 41335796.

Almost surely, 218234897468480 is an apocalyptic number.

18234897468480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18234897468480 is an abundant number, since it is smaller than the sum of its proper divisors (59962027431744).

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

18234897468480 is a wasteful number, since it uses less digits than its factorization.

18234897468480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82228114 (or 82228101 counting only the distinct ones).

The product of its (nonzero) digits is 594542592, while the sum is 72.

The spelling of 18234897468480 in words is "eighteen trillion, two hundred thirty-four billion, eight hundred ninety-seven million, four hundred sixty-eight thousand, four hundred eighty".