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163037222245 = 532607444449
BaseRepresentation
bin1001011111010111000…
…1101001010101100101
3120120211100022000122201
42113311301221111211
510132400012102440
6202522005254501
714531133344362
oct2276561512545
9516740260581
10163037222245
1163164297197
1227720a04431
13124b3584551
147c69049469
15439343519a
hex25f5c69565

163037222245 has 4 divisors (see below), whose sum is σ = 195644666700. Its totient is φ = 130429777792.

The previous prime is 163037222219. The next prime is 163037222251. The reversal of 163037222245 is 542222730361.

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 22842392769 + 140194829476 = 151137^2 + 374426^2 .

It is a cyclic number.

It is not a de Polignac number, because 163037222245 - 221 = 163035125093 is a prime.

It is a super-2 number, since 2×1630372222452 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16303722220 + ... + 16303722229.

It is an arithmetic number, because the mean of its divisors is an integer number (48911166675).

Almost surely, 2163037222245 is an apocalyptic number.

It is an amenable number.

163037222245 is a deficient number, since it is larger than the sum of its proper divisors (32607444455).

163037222245 is an equidigital number, since it uses as much as digits as its factorization.

163037222245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32607444454.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 163037222245 in words is "one hundred sixty-three billion, thirty-seven million, two hundred twenty-two thousand, two hundred forty-five".

Divisors: 1 5 32607444449 163037222245