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121015025150052 = 22311916780493561
BaseRepresentation
bin11011100001000000000001…
…100101100010100001100100
3120212110220221011200011111110
4123201000001211202201210
5111330202232414300202
61105213311324305020
734330022064461325
oct3341000145424144
9525426834604443
10121015025150052
1135617202929790
12116a56330a2170
13526a88b508b37
1421c5230ba644c
15decd29eed26c
hex6e1001962864

121015025150052 has 24 divisors (see below), whose sum is σ = 308038245836832. Its totient is φ = 36671219742400.

The previous prime is 121015025150023. The next prime is 121015025150069. The reversal of 121015025150052 is 250051520510121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458390246649 + ... + 458390246912.

It is an arithmetic number, because the mean of its divisors is an integer number (12834926909868).

Almost surely, 2121015025150052 is an apocalyptic number.

121015025150052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121015025150052 is an abundant number, since it is smaller than the sum of its proper divisors (187023220686780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121015025150052 is a wasteful number, since it uses less digits than its factorization.

121015025150052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916780493579 (or 916780493577 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 30.

Adding to 121015025150052 its reverse (250051520510121), we get a palindrome (371066545660173).

The spelling of 121015025150052 in words is "one hundred twenty-one trillion, fifteen billion, twenty-five million, one hundred fifty thousand, fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 916780493561 1833560987122 2750341480683 3667121974244 5500682961366 10084585429171 11001365922732 20169170858342 30253756287513 40338341716684 60507512575026 121015025150052