Base | Representation |
---|---|
bin | 111000100000101001… |
… | …1101001001111001110 |
3 | 102121020102101012012112 |
4 | 1301001103221033032 |
5 | 3442013304043344 |
6 | 131425525304022 |
7 | 11524166244350 |
oct | 1610123511716 |
9 | 377212335175 |
10 | 121354752974 |
11 | 4751465a084 |
12 | 1b629565012 |
13 | b59ca82c50 |
14 | 5c3323b0d0 |
15 | 3253dadc9e |
hex | 1c414e93ce |
121354752974 has 64 divisors (see below), whose sum is σ = 225006888960. Its totient is φ = 47801698560.
The previous prime is 121354752973. The next prime is 121354752991. The reversal of 121354752974 is 479257453121.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121354752973) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47946089 + ... + 47948619.
It is an arithmetic number, because the mean of its divisors is an integer number (3515732640).
Almost surely, 2121354752974 is an apocalyptic number.
121354752974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
121354752974 is a deficient number, since it is larger than the sum of its proper divisors (103652135986).
121354752974 is a wasteful number, since it uses less digits than its factorization.
121354752974 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3585.
The product of its digits is 2116800, while the sum is 50.
The spelling of 121354752974 in words is "one hundred twenty-one billion, three hundred fifty-four million, seven hundred fifty-two thousand, nine hundred seventy-four".
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