Base | Representation |
---|---|
bin | 111010101100000… |
… | …0011110101011111 |
3 | 12002020110211102010 |
4 | 1311120003311133 |
5 | 13013111211224 |
6 | 523223402303 |
7 | 66541163454 |
oct | 16530036537 |
9 | 5066424363 |
10 | 1969241439 |
11 | 920649270 |
12 | 46b5b3393 |
13 | 254c98029 |
14 | 14976d82b |
15 | b7d38e29 |
hex | 75603d5f |
1969241439 has 32 divisors (see below), whose sum is σ = 3061836288. Its totient is φ = 1113728000.
The previous prime is 1969241431. The next prime is 1969241473. The reversal of 1969241439 is 9341429691.
It is a happy number.
It is not a de Polignac number, because 1969241439 - 23 = 1969241431 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1969241431) 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, 522 + ... + 62759.
It is an arithmetic number, because the mean of its divisors is an integer number (95682384).
Almost surely, 21969241439 is an apocalyptic number.
1969241439 is a deficient number, since it is larger than the sum of its proper divisors (1092594849).
1969241439 is a wasteful number, since it uses less digits than its factorization.
1969241439 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63359.
The product of its digits is 419904, while the sum is 48.
The square root of 1969241439 is about 44376.1359178557. The cubic root of 1969241439 is about 1253.4287599381.
The spelling of 1969241439 in words is "one billion, nine hundred sixty-nine million, two hundred forty-one thousand, four hundred thirty-nine".
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