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121488884685072 = 243239755713672791
BaseRepresentation
bin11011100111111001010101…
…110100001101100100010000
3120221011020001020222200002100
4123213321111310031210100
5111410433213434410242
61110215120110520400
734406165550200562
oct3347712564154420
9527136036880070
10121488884685072
113578a168217a13
1211761439806100
1352a3477a72348
1422001443ad332
15e0a310c8354c
hex6e7e55d0d910

121488884685072 has 240 divisors, whose sum is σ = 341840746720512. Its totient is φ = 40277834910720.

The previous prime is 121488884685061. The next prime is 121488884685191. The reversal of 121488884685072 is 270586488884121.

121488884685072 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 88 + 88 + 468 + 5 + 0 + 7 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43528799997 + ... + 43528802787.

Almost surely, 2121488884685072 is an apocalyptic number.

121488884685072 is a gapful number since it is divisible by the number (12) 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 121488884685072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170920373360256).

121488884685072 is an abundant number, since it is smaller than the sum of its proper divisors (220351862035440).

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

121488884685072 is a wasteful number, since it uses less digits than its factorization.

121488884685072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126 (or 5117 counting only the distinct ones).

The product of its (nonzero) digits is 440401920, while the sum is 72.

The spelling of 121488884685072 in words is "one hundred twenty-one trillion, four hundred eighty-eight billion, eight hundred eighty-four million, six hundred eighty-five thousand, seventy-two".