Base | Representation |
---|---|
bin | 11011101000000100101010… |
… | …100101101001110010110010 |
3 | 120221012101102200112122201110 |
4 | 123220010222211221302302 |
5 | 111411133114323201010 |
6 | 1110224450442414150 |
7 | 34410106100510244 |
oct | 3350045245516262 |
9 | 527171380478643 |
10 | 121501044350130 |
11 | 35794338012285 |
12 | 11763871b01356 |
13 | 52a466500b023 |
14 | 22009792b0094 |
15 | e0a7c3542120 |
hex | 6e812a969cb2 |
121501044350130 has 256 divisors, whose sum is σ = 316239220224000. Its totient is φ = 29764236902400.
The previous prime is 121501044350087. The next prime is 121501044350137. The reversal of 121501044350130 is 31053440105121.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (121501044350137) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9020785036 + ... + 9020798504.
It is an arithmetic number, because the mean of its divisors is an integer number (1235309454000).
Almost surely, 2121501044350130 is an apocalyptic number.
121501044350130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 121501044350130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158119610112000).
121501044350130 is an abundant number, since it is smaller than the sum of its proper divisors (194738175873870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121501044350130 is a wasteful number, since it uses less digits than its factorization.
121501044350130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16069.
The product of its (nonzero) digits is 7200, while the sum is 30.
Adding to 121501044350130 its reverse (31053440105121), we get a palindrome (152554484455251).
The spelling of 121501044350130 in words is "one hundred twenty-one trillion, five hundred one billion, forty-four million, three hundred fifty thousand, one hundred thirty".
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