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45880873781 = 60775586283
BaseRepresentation
bin101010101110101101…
…101001001100110101
311101102111221212201112
4222232231221030311
51222431000430111
633024414204405
73212653664261
oct525655511465
9141374855645
1045880873781
1118504614606
128a854b3705
13443256c032
14231364b0a1
1512d7e3ce8b
hexaaeb69335

45880873781 has 4 divisors (see below), whose sum is σ = 45956460672. Its totient is φ = 45805286892.

The previous prime is 45880873771. The next prime is 45880873817. The reversal of 45880873781 is 18737808854.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45880873781 - 214 = 45880857397 is a prime.

It is a super-2 number, since 2×458808737812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45880873781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45880873711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37792535 + ... + 37793748.

It is an arithmetic number, because the mean of its divisors is an integer number (11489115168).

Almost surely, 245880873781 is an apocalyptic number.

It is an amenable number.

45880873781 is a deficient number, since it is larger than the sum of its proper divisors (75586891).

45880873781 is an equidigital number, since it uses as much as digits as its factorization.

45880873781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75586890.

The product of its (nonzero) digits is 12042240, while the sum is 59.

The spelling of 45880873781 in words is "forty-five billion, eight hundred eighty million, eight hundred seventy-three thousand, seven hundred eighty-one".

Divisors: 1 607 75586283 45880873781