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220380056671 = 2943947186619
BaseRepresentation
bin1100110100111110101…
…1001100110001011111
3210001211122221211111011
43031033223030301133
512102314243303141
6245124033240051
721631136400565
oct3151753146137
9701748854434
10220380056671
118550a884445
1236864a03027
1317a216749c8
14a948a59a35
155aec764881
hex334faccc5f

220380056671 has 16 divisors (see below), whose sum is σ = 233528803200. Its totient is φ = 207611778528.

The previous prime is 220380056657. The next prime is 220380056711. The reversal of 220380056671 is 176650083022.

It is not a de Polignac number, because 220380056671 - 27 = 220380056543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220380056621) 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 15 ways as a sum of consecutive naturals, for example, 1087600 + ... + 1274218.

It is an arithmetic number, because the mean of its divisors is an integer number (14595550200).

Almost surely, 2220380056671 is an apocalyptic number.

220380056671 is a deficient number, since it is larger than the sum of its proper divisors (13148746529).

220380056671 is a wasteful number, since it uses less digits than its factorization.

220380056671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187638.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 220380056671 in words is "two hundred twenty billion, three hundred eighty million, fifty-six thousand, six hundred seventy-one".

Divisors: 1 29 43 947 1247 27463 40721 186619 1180909 5411951 8024617 176728193 232713893 5125117597 7599312299 220380056671