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1445350315540 = 2252391609187927
BaseRepresentation
bin10101000010000101100…
…101111001011000010100
312010011200221121112010011
4111002011211321120110
5142140034140044130
63023552413210004
7206265061655305
oct25020545713024
95104627545104
101445350315540
11507a7363360a
121b4150a90904
13a63b0281a01
144dd535c87ac
15278e46ea52a
hex15085979614

1445350315540 has 48 divisors (see below), whose sum is σ = 3049845926400. Its totient is φ = 575360255232.

The previous prime is 1445350315499. The next prime is 1445350315567. The reversal of 1445350315540 is 455130535441.

It is a junction number, because it is equal to n+sod(n) for n = 1445350315493 and 1445350315502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7597057 + ... + 7784983.

It is an arithmetic number, because the mean of its divisors is an integer number (63538456800).

Almost surely, 21445350315540 is an apocalyptic number.

1445350315540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445350315540 is an abundant number, since it is smaller than the sum of its proper divisors (1604495610860).

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

1445350315540 is a wasteful number, since it uses less digits than its factorization.

1445350315540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189784 (or 189782 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 1445350315540 in words is "one trillion, four hundred forty-five billion, three hundred fifty million, three hundred fifteen thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 239 478 956 1195 1609 2390 3218 4780 6436 8045 16090 32180 187927 375854 384551 751708 769102 939635 1538204 1879270 1922755 3758540 3845510 7691020 44914553 89829106 179658212 224572765 302374543 449145530 604749086 898291060 1209498172 1511872715 3023745430 6047490860 72267515777 144535031554 289070063108 361337578885 722675157770 1445350315540