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101447680 = 21159907
BaseRepresentation
bin1100000101111…
…11100000000000
321001220002001111
412002333200000
5201432311210
614022213104
72341201555
oct602774000
9231802044
10101447680
11522a0164
1229b84194
131802c719
14d68aa2c
158d8d88a
hex60bf800

101447680 has 48 divisors (see below), whose sum is σ = 243439560. Its totient is φ = 40574976.

The previous prime is 101447677. The next prime is 101447681. The reversal of 101447680 is 86744101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101447681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5287 + ... + 15193.

Almost surely, 2101447680 is an apocalyptic number.

101447680 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 101447680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121719780).

101447680 is an abundant number, since it is smaller than the sum of its proper divisors (141991880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101447680 is an frugal number, since it uses more digits than its factorization.

101447680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9934 (or 9914 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 101447680 is about 10072.1239071012. The cubic root of 101447680 is about 466.3880059720.

The spelling of 101447680 in words is "one hundred one million, four hundred forty-seven thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2048 2560 5120 9907 10240 19814 39628 49535 79256 99070 158512 198140 317024 396280 634048 792560 1268096 1585120 2536192 3170240 5072384 6340480 10144768 12680960 20289536 25361920 50723840 101447680