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14540313402 = 23489755021
BaseRepresentation
bin11011000101010101…
…11001001100111010
31101112100011110020000
431202222321030322
5214234310012102
610402453213430
71023215424156
oct154252711472
941470143200
1014540313402
11619169a73a
122999631276
1314a953a354
149bd164066
155a17b101c
hex362ab933a

14540313402 has 20 divisors (see below), whose sum is σ = 32581072986. Its totient is φ = 4846771080.

The previous prime is 14540313371. The next prime is 14540313409. The reversal of 14540313402 is 20431304541.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8931951081 + 5608362321 = 94509^2 + 74889^2 .

It is a super-2 number, since 2×145403134022 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (14540313409) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 44877349 + ... + 44877672.

Almost surely, 214540313402 is an apocalyptic number.

14540313402 is an abundant number, since it is smaller than the sum of its proper divisors (18040759584).

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

14540313402 is an equidigital number, since it uses as much as digits as its factorization.

14540313402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89755035 (or 89755026 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 14540313402 its reverse (20431304541), we get a palindrome (34971617943).

The spelling of 14540313402 in words is "fourteen billion, five hundred forty million, three hundred thirteen thousand, four hundred two".

Divisors: 1 2 3 6 9 18 27 54 81 162 89755021 179510042 269265063 538530126 807795189 1615590378 2423385567 4846771134 7270156701 14540313402