Base | Representation |
---|---|
bin | 10101100110010100111… |
… | …01000111100100111101 |
3 | 2121221120101102020120120 |
4 | 22303022131013210331 |
5 | 44124341014141012 |
6 | 1324532535005153 |
7 | 104421461316051 |
oct | 12631235074475 |
9 | 2557511366516 |
10 | 742131005757 |
11 | 266810672919 |
12 | bb9b62097b9 |
13 | 54ca0b7504b |
14 | 27cc290dc61 |
15 | 14487bcd58c |
hex | acca74793d |
742131005757 has 32 divisors (see below), whose sum is σ = 1029990297600. Its totient is φ = 474914842752.
The previous prime is 742131005729. The next prime is 742131005807. The reversal of 742131005757 is 757500131247.
It is not a de Polignac number, because 742131005757 - 28 = 742131005501 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (742131000757) 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, 29160244 + ... + 29185682.
It is an arithmetic number, because the mean of its divisors is an integer number (32187196800).
Almost surely, 2742131005757 is an apocalyptic number.
It is an amenable number.
742131005757 is a deficient number, since it is larger than the sum of its proper divisors (287859291843).
742131005757 is a wasteful number, since it uses less digits than its factorization.
742131005757 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29377.
The product of its (nonzero) digits is 205800, while the sum is 42.
The spelling of 742131005757 in words is "seven hundred forty-two billion, one hundred thirty-one million, five thousand, seven hundred fifty-seven".
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