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745211467861 = 7106458781123
BaseRepresentation
bin10101101100000100001…
…00001001100001010101
32122020112001211221011121
422312002010021201111
544202143113432421
61330202340003541
7104561014651120
oct12660204114125
92566461757147
10745211467861
1126805149a673
121005159905b1
135537211c0a3
14280d5a9d3b7
15145b8367d41
hexad82109855

745211467861 has 4 divisors (see below), whose sum is σ = 851670248992. Its totient is φ = 638752686732.

The previous prime is 745211467801. The next prime is 745211467927. The reversal of 745211467861 is 168764112547.

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 745211467861 - 29 = 745211467349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 745211467799 and 745211467808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745211467801) 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, 53229390555 + ... + 53229390568.

It is an arithmetic number, because the mean of its divisors is an integer number (212917562248).

Almost surely, 2745211467861 is an apocalyptic number.

It is an amenable number.

745211467861 is a deficient number, since it is larger than the sum of its proper divisors (106458781131).

745211467861 is a wasteful number, since it uses less digits than its factorization.

745211467861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106458781130.

The product of its digits is 2257920, while the sum is 52.

The spelling of 745211467861 in words is "seven hundred forty-five billion, two hundred eleven million, four hundred sixty-seven thousand, eight hundred sixty-one".

Divisors: 1 7 106458781123 745211467861