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345542410225213 = 2319809148952957
BaseRepresentation
bin100111010010001001101110…
…0100111011100011000111101
31200022110112100200112002202021
41032210103130213130120331
5330242331324004201323
63222523554122400141
7132532421022251035
oct11644233447343075
91608415320462667
10345542410225213
11a0111793333453
1232908526060051
1311aa66813bca06
1461484b020a8c5
1529e353ecad05d
hex13a44dc9dc63d

345542410225213 has 4 divisors (see below), whose sum is σ = 345542561497980. Its totient is φ = 345542258952448.

The previous prime is 345542410225163. The next prime is 345542410225247. The reversal of 345542410225213 is 312522014245543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 249207046681849 + 96335363543364 = 15786293^2 + 9815058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-345542410225213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345542410225213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345542410225913) 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, 72156670 + ... + 76796287.

It is an arithmetic number, because the mean of its divisors is an integer number (86385640374495).

Almost surely, 2345542410225213 is an apocalyptic number.

It is an amenable number.

345542410225213 is a deficient number, since it is larger than the sum of its proper divisors (151272767).

345542410225213 is a wasteful number, since it uses less digits than its factorization.

345542410225213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151272766.

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 345542410225213 in words is "three hundred forty-five trillion, five hundred forty-two billion, four hundred ten million, two hundred twenty-five thousand, two hundred thirteen".

Divisors: 1 2319809 148952957 345542410225213