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7542149980293 = 334383157498523
BaseRepresentation
bin110110111000000101100…
…1010111010000010000101
3222201000121101210112122000
41231300023022322002011
51442032310343332133
624012452121055513
71405621336030515
oct155601312720205
928630541715560
107542149980293
1124486760498a5
12a19876927599
134292b6095c36
141c10833a3845
15d12c6955413
hex6dc0b2ba085

7542149980293 has 64 divisors (see below), whose sum is σ = 11644882529280. Its totient is φ = 4821082628544.

The previous prime is 7542149980259. The next prime is 7542149980307. The reversal of 7542149980293 is 3920899412457.

7542149980293 is a `hidden beast` number, since 7 + 5 + 42 + 1 + 499 + 80 + 29 + 3 = 666.

7542149980293 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7542149980293 - 26 = 7542149980229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7542149980293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7542149980093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14879730 + ... + 15378252.

It is an arithmetic number, because the mean of its divisors is an integer number (181951289520).

Almost surely, 27542149980293 is an apocalyptic number.

It is an amenable number.

7542149980293 is a deficient number, since it is larger than the sum of its proper divisors (4102732548987).

7542149980293 is a wasteful number, since it uses less digits than its factorization.

7542149980293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498815 (or 498809 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 7542149980293 in words is "seven trillion, five hundred forty-two billion, one hundred forty-nine million, nine hundred eighty thousand, two hundred ninety-three".

Divisors: 1 3 9 27 43 83 129 157 249 387 471 747 1161 1413 2241 3569 4239 6751 10707 13031 20253 32121 39093 60759 96363 117279 182277 351837 498523 560333 1495569 1680999 4486707 5042997 13460121 15128991 21436489 41377409 64309467 78268111 124132227 192928401 234804333 372396681 578785203 704412999 1117190043 1779228587 2113238997 3365528773 5337685761 6496253213 10096586319 16013057283 19488759639 30289758957 48039171849 58466278917 90869276871 175398836751 279338888159 838016664477 2514049993431 7542149980293