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1440310025413 = 731210713071531
BaseRepresentation
bin10100111101011001001…
…010101101110011000101
312002200200200102020220001
4110331121022231303011
5142044223331303123
63021400322241301
7206026140134020
oct24753112556305
95080620366801
101440310025413
11505917507a86
121b3184ab6231
13a5a88c8750c
144d9d603a1b7
15276ebe860ad
hex14f592adcc5

1440310025413 has 48 divisors (see below), whose sum is σ = 1719212262912. Its totient is φ = 1181883506400.

The previous prime is 1440310025387. The next prime is 1440310025461. The reversal of 1440310025413 is 3145200130441.

It is not a de Polignac number, because 1440310025413 - 25 = 1440310025381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440310025513) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 940763458 + ... + 940764988.

It is an arithmetic number, because the mean of its divisors is an integer number (35816922144).

Almost surely, 21440310025413 is an apocalyptic number.

It is an amenable number.

1440310025413 is a deficient number, since it is larger than the sum of its proper divisors (278902237499).

1440310025413 is a wasteful number, since it uses less digits than its factorization.

1440310025413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014 (or 2983 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 1440310025413 its reverse (3145200130441), we get a palindrome (4585510155854).

The spelling of 1440310025413 in words is "one trillion, four hundred forty billion, three hundred ten million, twenty-five thousand, four hundred thirteen".

Divisors: 1 7 31 107 217 749 961 1307 1531 3317 6727 9149 10717 23219 40517 47461 102827 139849 163817 283619 332227 719789 978943 1146719 1256027 1471291 2001017 4335319 5078327 8792189 10299037 14007119 30347233 35548289 62031527 134394889 157428137 214108819 434220689 940764223 1101996959 1498761733 1922977337 6637373389 13460841359 46461613723 205758575059 1440310025413