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913021440271 = 5407168859153
BaseRepresentation
bin11010100100101000101…
…00011001000100001111
310020021200000220210012221
431102110110121010033
5104424331442042041
61535234122040211
7122651344123153
oct15222424310417
93207600823187
10913021440271
11322234889686
12128b49049067
1368136426955
1432294933063
1518b3a7b62d1
hexd49451910f

913021440271 has 4 divisors (see below), whose sum is σ = 913190304832. Its totient is φ = 912852575712.

The previous prime is 913021440269. The next prime is 913021440319. The reversal of 913021440271 is 172044120319.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 913021440271 - 21 = 913021440269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913021447271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84424170 + ... + 84434983.

It is an arithmetic number, because the mean of its divisors is an integer number (228297576208).

Almost surely, 2913021440271 is an apocalyptic number.

913021440271 is a deficient number, since it is larger than the sum of its proper divisors (168864561).

913021440271 is a wasteful number, since it uses less digits than its factorization.

913021440271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168864560.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 913021440271 in words is "nine hundred thirteen billion, twenty-one million, four hundred forty thousand, two hundred seventy-one".

Divisors: 1 5407 168859153 913021440271