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445405504495 = 5721817981651
BaseRepresentation
bin1100111101101000011…
…11001010001111101111
31120120200002000222122111
412132310033022033233
524244142302120440
6540341053424451
744115364215100
oct6366417121757
91516602028574
10445405504495
11161993882a26
12723a549b127
133300356a373
14177b462a3a7
15b8bcc364ea
hex67b43ca3ef

445405504495 has 12 divisors (see below), whose sum is σ = 621749724984. Its totient is φ = 305420917200.

The previous prime is 445405504483. The next prime is 445405504507. The reversal of 445405504495 is 594405504544.

It is an interprime number because it is at equal distance from previous prime (445405504483) and next prime (445405504507).

It is not a de Polignac number, because 445405504495 - 215 = 445405471727 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 908990581 + ... + 908991070.

It is an arithmetic number, because the mean of its divisors is an integer number (51812477082).

Almost surely, 2445405504495 is an apocalyptic number.

445405504495 is a deficient number, since it is larger than the sum of its proper divisors (176344220489).

445405504495 is a wasteful number, since it uses less digits than its factorization.

445405504495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817981670 (or 1817981663 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 49.

Adding to 445405504495 its sum of digits (49), we get a palindrome (445405504544).

The spelling of 445405504495 in words is "four hundred forty-five billion, four hundred five million, five hundred four thousand, four hundred ninety-five".

Divisors: 1 5 7 35 49 245 1817981651 9089908255 12725871557 63629357785 89081100899 445405504495