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11100220197 = 311230579119
BaseRepresentation
bin10100101011001111…
…11110101100100101
31001122121000121111120
422111213332230211
5140213124021242
65033244124153
7542034213003
oct122547765445
931577017446
1011100220197
11478686a800
122199536659
13107b917441
1477431ba73
1544e7891ec
hex2959feb25

11100220197 has 12 divisors (see below), whose sum is σ = 16268091840. Its totient is φ = 6727405960.

The previous prime is 11100220121. The next prime is 11100220211. The reversal of 11100220197 is 79102200111.

It is not a de Polignac number, because 11100220197 - 214 = 11100203813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100220097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15289197 + ... + 15289922.

It is an arithmetic number, because the mean of its divisors is an integer number (1355674320).

Almost surely, 211100220197 is an apocalyptic number.

It is an amenable number.

11100220197 is a deficient number, since it is larger than the sum of its proper divisors (5167871643).

11100220197 is a wasteful number, since it uses less digits than its factorization.

11100220197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30579144 (or 30579133 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 24.

The spelling of 11100220197 in words is "eleven billion, one hundred million, two hundred twenty thousand, one hundred ninety-seven".

Divisors: 1 3 11 33 121 363 30579119 91737357 336370309 1009110927 3700073399 11100220197