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625211040243 = 3208403680081
BaseRepresentation
bin10010001100100010111…
…10110110000111110011
32012202210000212121002110
421012101132312013303
540220413011241433
61155115030220403
763112212105036
oct11062136660763
92182700777073
10625211040243
11221172373249
12a1205ab4703
1346c59b151ba
142239068501d
15113e332a963
hex91917b61f3

625211040243 has 4 divisors (see below), whose sum is σ = 833614720328. Its totient is φ = 416807360160.

The previous prime is 625211040241. The next prime is 625211040329. The reversal of 625211040243 is 342040112526.

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

It is not a de Polignac number, because 625211040243 - 21 = 625211040241 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 625211040243.

It is not an unprimeable number, because it can be changed into a prime (625211040241) 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, 104201840038 + ... + 104201840043.

It is an arithmetic number, because the mean of its divisors is an integer number (208403680082).

Almost surely, 2625211040243 is an apocalyptic number.

625211040243 is a deficient number, since it is larger than the sum of its proper divisors (208403680085).

625211040243 is a wasteful number, since it uses less digits than its factorization.

625211040243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208403680084.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 625211040243 its reverse (342040112526), we get a palindrome (967251152769).

The spelling of 625211040243 in words is "six hundred twenty-five billion, two hundred eleven million, forty thousand, two hundred forty-three".

Divisors: 1 3 208403680081 625211040243