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1445305513407 = 373115161146437
BaseRepresentation
bin10101000010000010111…
…010111111010110111111
312010011120211022100010220
4111002002322333112333
5142134441202412112
63023544133032423
7206264006106660
oct25020272772677
95104524270126
101445305513407
11507a50313058
121b4139a85713
13a63a3bc6482
144dd4b685367
15278e07ea98c
hex15082ebf5bf

1445305513407 has 32 divisors (see below), whose sum is σ = 2273579986944. Its totient is φ = 799189113600.

The previous prime is 1445305513397. The next prime is 1445305513429. The reversal of 1445305513407 is 7043155035441.

It is a happy number.

It is not a de Polignac number, because 1445305513407 - 26 = 1445305513343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445305512407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9796593 + ... + 9943029.

It is an arithmetic number, because the mean of its divisors is an integer number (71049374592).

Almost surely, 21445305513407 is an apocalyptic number.

1445305513407 is a deficient number, since it is larger than the sum of its proper divisors (828274473537).

1445305513407 is a wasteful number, since it uses less digits than its factorization.

1445305513407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161639.

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 1445305513407 in words is "one trillion, four hundred forty-five billion, three hundred five million, five hundred thirteen thousand, four hundred seven".

Divisors: 1 3 7 21 31 93 217 651 15161 45483 106127 146437 318381 439311 469991 1025059 1409973 3075177 3289937 4539547 9869811 13618641 31776829 95330487 2220131357 6660394071 15540919499 46622758497 68824072067 206472216201 481768504469 1445305513407