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252620169769 = 11149154130671
BaseRepresentation
bin1110101101000101010…
…1011110001000101001
3220011001112102021100001
43223101111132020221
513114331230413034
6312015130543001
724152110004452
oct3532125361051
9804045367301
10252620169769
1198154555610
1240b61b97a61
131aa8bb745c6
14c3267c4129
156887d80a14
hex3ad155e229

252620169769 has 8 divisors (see below), whose sum is σ = 277435209600. Its totient is φ = 228113391600.

The previous prime is 252620169751. The next prime is 252620169797. The reversal of 252620169769 is 967961026252.

252620169769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252620169769 - 221 = 252618072617 is a prime.

It is a super-2 number, since 2×2526201697692 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252620169469) 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 7 ways as a sum of consecutive naturals, for example, 77063697 + ... + 77066974.

It is an arithmetic number, because the mean of its divisors is an integer number (34679401200).

Almost surely, 2252620169769 is an apocalyptic number.

It is an amenable number.

252620169769 is a deficient number, since it is larger than the sum of its proper divisors (24815039831).

252620169769 is a wasteful number, since it uses less digits than its factorization.

252620169769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154130831.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 252620169769 in words is "two hundred fifty-two billion, six hundred twenty million, one hundred sixty-nine thousand, seven hundred sixty-nine".

Divisors: 1 11 149 1639 154130671 1695437381 22965469979 252620169769