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405500343141 = 3135166781047
BaseRepresentation
bin1011110011010011011…
…01000011001101100101
31102202200000102202022110
411321221231003031211
523120431041440031
6510141223351233
741203451021565
oct5715155031545
91382600382273
10405500343141
11146a76410633
12667092b2519
132c31404225a
14158aa8a8da5
15a834734c46
hex5e69b43365

405500343141 has 4 divisors (see below), whose sum is σ = 540667124192. Its totient is φ = 270333562092.

The previous prime is 405500343139. The next prime is 405500343151. The reversal of 405500343141 is 141343005504.

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 not a de Polignac number, because 405500343141 - 21 = 405500343139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 405500343099 and 405500343108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405500343151) 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, 67583390521 + ... + 67583390526.

It is an arithmetic number, because the mean of its divisors is an integer number (135166781048).

Almost surely, 2405500343141 is an apocalyptic number.

It is an amenable number.

405500343141 is a deficient number, since it is larger than the sum of its proper divisors (135166781051).

405500343141 is a wasteful number, since it uses less digits than its factorization.

405500343141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135166781050.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 405500343141 its reverse (141343005504), we get a palindrome (546843348645).

The spelling of 405500343141 in words is "four hundred five billion, five hundred million, three hundred forty-three thousand, one hundred forty-one".

Divisors: 1 3 135166781047 405500343141