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121531456094 = 217191747107687
BaseRepresentation
bin111000100101111010…
…1101101101001011110
3102121200201212122022112
41301023311231221132
53442344023043334
6131455240514022
711531443221656
oct1611365555136
9377621778275
10121531456094
11475a537a814
121b67877b912
13b5ca5712c9
145c4c8b7366
1532646654ce
hex1c4bd6da5e

121531456094 has 32 divisors (see below), whose sum is σ = 203297713920. Its totient is φ = 54149689728.

The previous prime is 121531456093. The next prime is 121531456103. The reversal of 121531456094 is 490654135121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121531456093) 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, 1074719 + ... + 1182405.

It is an arithmetic number, because the mean of its divisors is an integer number (6353053560).

Almost surely, 2121531456094 is an apocalyptic number.

121531456094 is a deficient number, since it is larger than the sum of its proper divisors (81766257826).

121531456094 is a wasteful number, since it uses less digits than its factorization.

121531456094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109472.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 121531456094 in words is "one hundred twenty-one billion, five hundred thirty-one million, four hundred fifty-six thousand, ninety-four".

Divisors: 1 2 17 19 34 38 323 646 1747 3494 29699 33193 59398 66386 107687 215374 564281 1128562 1830679 2046053 3661358 4092106 34782901 69565802 188129189 376258378 3198196213 3574454591 6396392426 7148909182 60765728047 121531456094