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340030442245 = 51361149575557
BaseRepresentation
bin1001111001010110110…
…01001100101100000101
31012111200022021012011011
410330223121030230011
521032340243122440
6420112520242221
733365162033134
oct4745331145405
91174608235134
10340030442245
1112122a35801a
1255a97610371
13260ac2ac520
141265979591b
158ca1baa9ea
hex4f2b64cb05

340030442245 has 32 divisors (see below), whose sum is σ = 449625909600. Its totient is φ = 245324989440.

The previous prime is 340030442243. The next prime is 340030442249. The reversal of 340030442245 is 542244030043.

It can be written as a sum of positive squares in 16 ways, for example, as 310523104516 + 29507337729 = 557246^2 + 171777^2 .

It is not a de Polignac number, because 340030442245 - 21 = 340030442243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340030442243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303007 + ... + 878563.

It is an arithmetic number, because the mean of its divisors is an integer number (14050809675).

Almost surely, 2340030442245 is an apocalyptic number.

It is an amenable number.

340030442245 is a deficient number, since it is larger than the sum of its proper divisors (109595467355).

340030442245 is a wasteful number, since it uses less digits than its factorization.

340030442245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575785.

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 340030442245 its reverse (542244030043), we get a palindrome (882274472288).

The spelling of 340030442245 in words is "three hundred forty billion, thirty million, four hundred forty-two thousand, two hundred forty-five".

Divisors: 1 5 13 61 65 149 305 745 793 1937 3965 9089 9685 45445 118157 575557 590785 2877785 7482241 35108977 37411205 85757993 175544885 428789965 456416701 1114853909 2282083505 5231237573 5574269545 26156187865 68006088449 340030442245