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7128658744116 = 22371353235152391
BaseRepresentation
bin110011110111100010100…
…1011000001001100110100
3221020111022111002100211020
41213233011023001030310
51413243443114302431
623054505520541140
71334012544355440
oct147570513011464
927214274070736
107128658744116
1122a927a021038
129716b94817b0
133c92ca67bb10
141a9059521820
15c5675923696
hex67bc52c1334

7128658744116 has 192 divisors, whose sum is σ = 20867581034496. Its totient is φ = 1843792704000.

The previous prime is 7128658744099. The next prime is 7128658744153. The reversal of 7128658744116 is 6114478568217.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7128658744116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 136040281 + ... + 136092671.

It is an arithmetic number, because the mean of its divisors is an integer number (108685317888).

Almost surely, 27128658744116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7128658744116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10433790517248).

7128658744116 is an abundant number, since it is smaller than the sum of its proper divisors (13738922290380).

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

7128658744116 is a wasteful number, since it uses less digits than its factorization.

7128658744116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54822 (or 54820 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 60.

The spelling of 7128658744116 in words is "seven trillion, one hundred twenty-eight billion, six hundred fifty-eight million, seven hundred forty-four thousand, one hundred sixteen".