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445102105012 = 228318111096679
BaseRepresentation
bin1100111101000100010…
…01110010000110110100
31120112212221010200210121
412132202021302012310
524243032114330022
6540251014501324
744105021316355
oct6364211620664
91515787120717
10445102105012
11161848597454
127231b964844
1332c8574c146
141778620dd2c
15b8a12a52c7
hex67a22721b4

445102105012 has 48 divisors (see below), whose sum is σ = 793502236800. Its totient is φ = 218425092480.

The previous prime is 445102105009. The next prime is 445102105013. The reversal of 445102105012 is 210501201544.

It is a super-2 number, since 2×4451021050122 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445102105013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66638689 + ... + 66645367.

It is an arithmetic number, because the mean of its divisors is an integer number (16531296600).

Almost surely, 2445102105012 is an apocalyptic number.

It is an amenable number.

445102105012 is a deficient number, since it is larger than the sum of its proper divisors (348400131788).

445102105012 is a wasteful number, since it uses less digits than its factorization.

445102105012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8056 (or 8054 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 445102105012 its reverse (210501201544), we get a palindrome (655603306556).

The spelling of 445102105012 in words is "four hundred forty-five billion, one hundred two million, one hundred five thousand, twelve".

Divisors: 1 2 4 83 166 181 332 362 724 1109 2218 4436 6679 13358 15023 26716 30046 60092 92047 184094 200729 368188 401458 554357 802916 1108714 1208899 2217428 2417798 4835596 7407011 14814022 16660507 29628044 33321014 66642028 100338617 200677234 401354468 614781913 1229563826 1340668991 2459127652 2681337982 5362675964 111275526253 222551052506 445102105012