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101312000 = 29531583
BaseRepresentation
bin1100000100111…
…10011000000000
321001122011221022
412002132120000
5201413441000
614015245012
72340065156
oct602363000
9231564838
10101312000
1152208229
1229b19768
1317cb2a3a
14d6533d6
158d63585
hex609e600

101312000 has 80 divisors (see below), whose sum is σ = 252787392. Its totient is φ = 40499200.

The previous prime is 101311997. The next prime is 101312023. The reversal of 101312000 is 213101.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63209 + ... + 64791.

Almost surely, 2101312000 is an apocalyptic number.

101312000 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 101312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126393696).

101312000 is an abundant number, since it is smaller than the sum of its proper divisors (151475392).

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

101312000 is an frugal number, since it uses more digits than its factorization.

101312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 101312000 is about 10065.3862320330. The cubic root of 101312000 is about 466.1799915011.

Adding to 101312000 its reverse (213101), we get a palindrome (101525101).

The spelling of 101312000 in words is "one hundred one million, three hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 512 640 800 1000 1280 1583 1600 2000 2560 3166 3200 4000 6332 6400 7915 8000 12664 12800 15830 16000 25328 31660 32000 39575 50656 63320 64000 79150 101312 126640 158300 197875 202624 253280 316600 395750 405248 506560 633200 791500 810496 1013120 1266400 1583000 2026240 2532800 3166000 4052480 5065600 6332000 10131200 12664000 20262400 25328000 50656000 101312000