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1968250856277 = 35397127617899
BaseRepresentation
bin11100101001000100111…
…001001010001101010101
320222011101210020020111010
4130221010321022031111
5224221434204400102
64104111342402433
7262126043143566
oct34510471121525
96864353206433
101968250856277
11699804329232
12279563290419
131137b39a72b4
146b39a00a16d
15362eaa43d6c
hex1ca44e4a355

1968250856277 has 16 divisors (see below), whose sum is σ = 2701415707200. Its totient is φ = 1274137093632.

The previous prime is 1968250856267. The next prime is 1968250856287. The reversal of 1968250856277 is 7726580528691.

It is an interprime number because it is at equal distance from previous prime (1968250856267) and next prime (1968250856287).

It is not a de Polignac number, because 1968250856277 - 219 = 1968250331989 is a prime.

It is a super-2 number, since 2×19682508562772 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968250856207) 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 15 ways as a sum of consecutive naturals, for example, 63793527 + ... + 63824372.

It is an arithmetic number, because the mean of its divisors is an integer number (168838481700).

Almost surely, 21968250856277 is an apocalyptic number.

It is an amenable number.

1968250856277 is a deficient number, since it is larger than the sum of its proper divisors (733164850923).

1968250856277 is a wasteful number, since it uses less digits than its factorization.

1968250856277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127618052.

The product of its (nonzero) digits is 101606400, while the sum is 66.

The spelling of 1968250856277 in words is "one trillion, nine hundred sixty-eight billion, two hundred fifty million, eight hundred fifty-six thousand, two hundred seventy-seven".

Divisors: 1 3 53 97 159 291 5141 15423 127617899 382853697 6763748647 12378936203 20291245941 37136808609 656083618759 1968250856277