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103056811 = 1113720677
BaseRepresentation
bin1100010010010…
…00010110101011
321011220211100221
412021020112223
5202340304221
614120510511
72360653114
oct611102653
9234824327
10103056811
115319a120
122a61b437
1318473c80
14d98920b
1590aa541
hex62485ab

103056811 has 8 divisors (see below), whose sum is σ = 121073904. Its totient is φ = 86481120.

The previous prime is 103056809. The next prime is 103056847. The reversal of 103056811 is 118650301.

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

It is not a de Polignac number, because 103056811 - 21 = 103056809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103056851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360196 + ... + 360481.

It is an arithmetic number, because the mean of its divisors is an integer number (15134238).

Almost surely, 2103056811 is an apocalyptic number.

103056811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103056811 is a deficient number, since it is larger than the sum of its proper divisors (18017093).

103056811 is a wasteful number, since it uses less digits than its factorization.

103056811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720701.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 103056811 is about 10151.6900563404. The cubic root of 103056811 is about 468.8409815458.

The spelling of 103056811 in words is "one hundred three million, fifty-six thousand, eight hundred eleven".

Divisors: 1 11 13 143 720677 7927447 9368801 103056811