Base | Representation |
---|---|
bin | 111010101100110… |
… | …1000100101000000 |
3 | 12002021020210110010 |
4 | 1311121220211000 |
5 | 13013212412310 |
6 | 523240304520 |
7 | 66544532502 |
oct | 16531504500 |
9 | 5067223403 |
10 | 1969654080 |
11 | 920900299 |
12 | 46b772140 |
13 | 2550b0ab4 |
14 | 149839d72 |
15 | b7dbb320 |
hex | 75668940 |
1969654080 has 112 divisors (see below), whose sum is σ = 6263054784. Its totient is φ = 524451840.
The previous prime is 1969654067. The next prime is 1969654091. The reversal of 1969654080 is 804569691.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 931104 + ... + 933216.
It is an arithmetic number, because the mean of its divisors is an integer number (55920132).
Almost surely, 21969654080 is an apocalyptic number.
1969654080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1969654080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3131527392).
1969654080 is an abundant number, since it is smaller than the sum of its proper divisors (4293400704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1969654080 is a wasteful number, since it uses less digits than its factorization.
1969654080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3104 (or 3094 counting only the distinct ones).
The product of its (nonzero) digits is 466560, while the sum is 48.
The square root of 1969654080 is about 44380.7850313624. The cubic root of 1969654080 is about 1253.5163029491.
The spelling of 1969654080 in words is "one billion, nine hundred sixty-nine million, six hundred fifty-four thousand, eighty".
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