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444202352101 = 2059812156521
BaseRepresentation
bin1100111011011001000…
…01011111110111100101
31120110120020002111211201
412131230201133313211
524234211300231401
6540021434002501
744043514460134
oct6355441376745
91513506074751
10444202352101
11161426713802
127210a576431
1332b71211081
14176dc91991b
15b84c2c6b01
hex676c85fde5

444202352101 has 4 divisors (see below), whose sum is σ = 444204714604. Its totient is φ = 444199989600.

The previous prime is 444202352053. The next prime is 444202352107. The reversal of 444202352101 is 101253202444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 425123560225 + 19078791876 = 652015^2 + 138126^2 .

It is a cyclic number.

It is not a de Polignac number, because 444202352101 - 27 = 444202351973 is a prime.

It is a super-3 number, since 3×4442023521013 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 444202352101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444202352107) 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, 872280 + ... + 1284241.

It is an arithmetic number, because the mean of its divisors is an integer number (111051178651).

Almost surely, 2444202352101 is an apocalyptic number.

It is an amenable number.

444202352101 is a deficient number, since it is larger than the sum of its proper divisors (2362503).

444202352101 is a wasteful number, since it uses less digits than its factorization.

444202352101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362502.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 444202352101 its reverse (101253202444), we get a palindrome (545455554545).

The spelling of 444202352101 in words is "four hundred forty-four billion, two hundred two million, three hundred fifty-two thousand, one hundred one".

Divisors: 1 205981 2156521 444202352101