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445123161472 = 2711316138609
BaseRepresentation
bin1100111101000110110…
…10000110110110000000
31120112221101202110211111
412132203122012312000
524243103012131342
6540253050053104
744105365305433
oct6364332066600
91515841673744
10445123161472
11161859469490
1272326a1a194
1332c89c123a2
1417788d3181a
15b8a3064217
hex67a3686d80

445123161472 has 32 divisors (see below), whose sum is σ = 967384146600. Its totient is φ = 202328709120.

The previous prime is 445123161449. The next prime is 445123161481. The reversal of 445123161472 is 274161321544.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158067897 + ... + 158070712.

Almost surely, 2445123161472 is an apocalyptic number.

It is an amenable number.

445123161472 is an abundant number, since it is smaller than the sum of its proper divisors (522260985128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445123161472 is a wasteful number, since it uses less digits than its factorization.

445123161472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316138634 (or 316138622 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The spelling of 445123161472 in words is "four hundred forty-five billion, one hundred twenty-three million, one hundred sixty-one thousand, four hundred seventy-two".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 352 704 1408 316138609 632277218 1264554436 2529108872 3477524699 5058217744 6955049398 10116435488 13910098796 20232870976 27820197592 40465741952 55640395184 111280790368 222561580736 445123161472