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304442131202413 = 1953111558755683
BaseRepresentation
bin100010100111000110111010…
…1000101011100000101101101
31110220221101100120111111101021
41011032031311011130011231
5304400434441041434123
62555254441224214141
7121061134550626141
oct10516156505340555
91426841316444337
10304442131202413
1189006201301436
122a18ab1190a351
13100b4a012b5349
145527113595221
15252e389d76c5d
hex114e37515c16d

304442131202413 has 4 divisors (see below), whose sum is σ = 304443690153408. Its totient is φ = 304440572251420.

The previous prime is 304442131202411. The next prime is 304442131202437. The reversal of 304442131202413 is 314202131244403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 304442131202413 - 21 = 304442131202411 is a prime.

It is a super-2 number, since 2×3044421312024132 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304442131202411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779182531 + ... + 779573152.

It is an arithmetic number, because the mean of its divisors is an integer number (76110922538352).

Almost surely, 2304442131202413 is an apocalyptic number.

It is an amenable number.

304442131202413 is a deficient number, since it is larger than the sum of its proper divisors (1558950995).

304442131202413 is a wasteful number, since it uses less digits than its factorization.

304442131202413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558950994.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 304442131202413 its reverse (314202131244403), we get a palindrome (618644262446816).

The spelling of 304442131202413 in words is "three hundred four trillion, four hundred forty-two billion, one hundred thirty-one million, two hundred two thousand, four hundred thirteen".

Divisors: 1 195311 1558755683 304442131202413