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1445425494988 = 221941945390827
BaseRepresentation
bin10101000010001010000…
…100101011101111001100
312010011220012002000221011
4111002022010223233030
5142140212411314423
63024004100415004
7206266663663336
oct25021204535714
95104805060834
101445425494988
11508002011a92
121b41720a7464
13a63c2a14ba7
144dd5d598456
15278eb0eab0d
hex1508a12bbcc

1445425494988 has 24 divisors (see below), whose sum is σ = 2668980686400. Its totient is φ = 683041149648.

The previous prime is 1445425494983. The next prime is 1445425495037. The reversal of 1445425494988 is 8894945245441.

It is a super-2 number, since 2×14454254949882 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1445425494983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22663570 + ... + 22727257.

It is an arithmetic number, because the mean of its divisors is an integer number (111207528600).

Almost surely, 21445425494988 is an apocalyptic number.

It is an amenable number.

1445425494988 is a deficient number, since it is larger than the sum of its proper divisors (1223555191412).

1445425494988 is a wasteful number, since it uses less digits than its factorization.

1445425494988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45391269 (or 45391267 counting only the distinct ones).

The product of its digits is 265420800, while the sum is 67.

The spelling of 1445425494988 in words is "one trillion, four hundred forty-five billion, four hundred twenty-five million, four hundred ninety-four thousand, nine hundred eighty-eight".

Divisors: 1 2 4 19 38 76 419 838 1676 7961 15922 31844 45390827 90781654 181563308 862425713 1724851426 3449702852 19018756513 38037513026 76075026052 361356373747 722712747494 1445425494988