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145068121155186 = 2351614118492911
BaseRepresentation
bin100000111111000001001101…
…110101000110011001110010
3201000122101011210022220100000
4200333001031311012121302
5123003244003003431221
61232311212544210430
742361553164231215
oct4077011565063162
9630571153286300
10145068121155186
1142250054523969
121432b210309a16
1362c3b328b48c8
1427b7497d2b77c
1511b884c3dde26
hex83f04dd46672

145068121155186 has 48 divisors (see below), whose sum is σ = 325975743370368. Its totient is φ = 48353041918800.

The previous prime is 145068121155161. The next prime is 145068121155193. The reversal of 145068121155186 is 681551121860541.

145068121155186 is a `hidden beast` number, since 1 + 4 + 5 + 0 + 6 + 8 + 1 + 2 + 1 + 1 + 551 + 86 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1401930 + ... + 17090981.

It is an arithmetic number, because the mean of its divisors is an integer number (6791161320216).

Almost surely, 2145068121155186 is an apocalyptic number.

145068121155186 is an abundant number, since it is smaller than the sum of its proper divisors (180907622215182).

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

145068121155186 is a wasteful number, since it uses less digits than its factorization.

145068121155186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18509069 (or 18509057 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 54.

The spelling of 145068121155186 in words is "one hundred forty-five trillion, sixty-eight billion, one hundred twenty-one million, one hundred fifty-five thousand, one hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 16141 32282 48423 96846 145269 290538 435807 871614 1307421 2614842 3922263 7844526 18492911 36985822 55478733 110957466 166436199 332872398 499308597 998617194 1497925791 2995851582 4493777373 8987554746 298494076451 596988152902 895482229353 1790964458706 2686446688059 5372893376118 8059340064177 16118680128354 24178020192531 48356040385062 72534060577593 145068121155186