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121249413933 = 354174706971
BaseRepresentation
bin111000011101100000…
…1110011101100101101
3102120222002011102012120
41300323001303230231
53441304322221213
6131411243423153
711521450004424
oct1607301635455
9376862142176
10121249413933
114747015131a
121b5ba224ab9
13b583cc025b
145c2325a2bb
153249a02423
hex1c3b073b2d

121249413933 has 8 divisors (see below), whose sum is σ = 161964715296. Its totient is φ = 80683527600.

The previous prime is 121249413931. The next prime is 121249413937. The reversal of 121249413933 is 339314942121.

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

It is not a de Polignac number, because 121249413933 - 21 = 121249413931 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121249413931) 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, 37351863 + ... + 37355108.

It is an arithmetic number, because the mean of its divisors is an integer number (20245589412).

Almost surely, 2121249413933 is an apocalyptic number.

It is an amenable number.

121249413933 is a deficient number, since it is larger than the sum of its proper divisors (40715301363).

121249413933 is an equidigital number, since it uses as much as digits as its factorization.

121249413933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74707515.

The product of its digits is 139968, while the sum is 42.

The spelling of 121249413933 in words is "one hundred twenty-one billion, two hundred forty-nine million, four hundred thirteen thousand, nine hundred thirty-three".

Divisors: 1 3 541 1623 74706971 224120913 40416471311 121249413933