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172283063939 = 71911251115133
BaseRepresentation
bin1010000001110011011…
…1101110111010000011
3121110200200222110001222
42200130313232322003
510310313431021224
6211051251545255
715306222611150
oct2403467567203
9543620873058
10172283063939
1167079330978
12294812bb22b
1313327c4c5ac
1484a4d77227
154734ec3b5e
hex281cdeee83

172283063939 has 16 divisors (see below), whose sum is σ = 207278042880. Its totient is φ = 139885380000.

The previous prime is 172283063923. The next prime is 172283063963. The reversal of 172283063939 is 939360382271.

It is a cyclic number.

It is not a de Polignac number, because 172283063939 - 24 = 172283063923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172283063989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438817 + ... + 1553949.

It is an arithmetic number, because the mean of its divisors is an integer number (12954877680).

Almost surely, 2172283063939 is an apocalyptic number.

172283063939 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

172283063939 is a deficient number, since it is larger than the sum of its proper divisors (34994978941).

172283063939 is a wasteful number, since it uses less digits than its factorization.

172283063939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126410.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 172283063939 in words is "one hundred seventy-two billion, two hundred eighty-three million, sixty-three thousand, nine hundred thirty-nine".

Divisors: 1 7 19 133 11251 78757 115133 213769 805931 1496383 2187527 15312689 1295361383 9067529681 24611866277 172283063939