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225012163573 = 618941446337
BaseRepresentation
bin1101000110001111000…
…1010010001111110101
3210111210111002020121001
43101203301102033311
512141311103213243
6251211423323301
722154003555461
oct3214361221765
9714714066531
10225012163573
118747755596a
1237738150531
13182ac223c72
14ac67d134a1
155cbe24aa4d
hex3463c523f5

225012163573 has 8 divisors (see below), whose sum is σ = 231270566040. Its totient is φ = 218836654080.

The previous prime is 225012163549. The next prime is 225012163577. The reversal of 225012163573 is 375361210522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1228292209 + 223783871364 = 35047^2 + 473058^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-225012163573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225012163577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20717740 + ... + 20728597.

It is an arithmetic number, because the mean of its divisors is an integer number (28908820755).

Almost surely, 2225012163573 is an apocalyptic number.

It is an amenable number.

225012163573 is a deficient number, since it is larger than the sum of its proper divisors (6258402467).

225012163573 is an equidigital number, since it uses as much as digits as its factorization.

225012163573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41446487.

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 225012163573 in words is "two hundred twenty-five billion, twelve million, one hundred sixty-three thousand, five hundred seventy-three".

Divisors: 1 61 89 5429 41446337 2528226557 3688723993 225012163573