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220720605141 = 3180137408431
BaseRepresentation
bin1100110110001111111…
…0010010011111010101
3210002201101202111011110
43031203332102133111
512104013433331031
6245221520325233
721642443121351
oct3154376223725
9702641674143
10220720605141
1185675033563
123693aa73819
1317a7709bb8a
14a97bd86461
155b1c5d2c46
hex3363f927d5

220720605141 has 8 divisors (see below), whose sum is σ = 294296494464. Its totient is φ = 147145892960.

The previous prime is 220720605097. The next prime is 220720605143. The reversal of 220720605141 is 141506027022.

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

It is a cyclic number.

It is not a de Polignac number, because 220720605141 - 217 = 220720474069 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220720605099 and 220720605108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220720605143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336196 + ... + 744626.

It is an arithmetic number, because the mean of its divisors is an integer number (36787061808).

Almost surely, 2220720605141 is an apocalyptic number.

It is an amenable number.

220720605141 is a deficient number, since it is larger than the sum of its proper divisors (73575889323).

220720605141 is a wasteful number, since it uses less digits than its factorization.

220720605141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588571.

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 220720605141 in words is "two hundred twenty billion, seven hundred twenty million, six hundred five thousand, one hundred forty-one".

Divisors: 1 3 180137 408431 540411 1225293 73573535047 220720605141