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102730711 = 176042983
BaseRepresentation
bin1100001111110…
…00101111010111
321011022021001011
412013320233113
5202244340321
614105513051
72355124306
oct607705727
9234267034
10102730711
1152a97116
122a4a2787
131838b705
14d90243d
159043ae1
hex61f8bd7

102730711 has 4 divisors (see below), whose sum is σ = 108773712. Its totient is φ = 96687712.

The previous prime is 102730709. The next prime is 102730717. The reversal of 102730711 is 117037201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 117037201 = 347337283.

It is a cyclic number.

It is not a de Polignac number, because 102730711 - 21 = 102730709 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 (102730717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3021475 + ... + 3021508.

It is an arithmetic number, because the mean of its divisors is an integer number (27193428).

Almost surely, 2102730711 is an apocalyptic number.

102730711 is a deficient number, since it is larger than the sum of its proper divisors (6043001).

102730711 is an equidigital number, since it uses as much as digits as its factorization.

102730711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6043000.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 102730711 is about 10135.6159654951. The cubic root of 102730711 is about 468.3459452397.

Adding to 102730711 its reverse (117037201), we get a palindrome (219767912).

The spelling of 102730711 in words is "one hundred two million, seven hundred thirty thousand, seven hundred eleven".

Divisors: 1 17 6042983 102730711