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101211230000 = 245414967927
BaseRepresentation
bin101111001000010101…
…0001100111100110000
3100200020120210012110002
41132100222030330300
53124240033330000
6114255031525132
710212052155206
oct1362052147460
9320216705402
10101211230000
1139a18112131
12177475297a8
13970c73659a
144c81c75076
1529757428d5
hex1790a8cf30

101211230000 has 100 divisors (see below), whose sum is σ = 246690721200. Its totient is φ = 40212192000.

The previous prime is 101211229993. The next prime is 101211230023. The reversal of 101211230000 is 32112101.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×1012112300002 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1456037 + ... + 1523963.

It is an arithmetic number, because the mean of its divisors is an integer number (2466907212).

Almost surely, 2101211230000 is an apocalyptic number.

101211230000 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 101211230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123345360600).

101211230000 is an abundant number, since it is smaller than the sum of its proper divisors (145479491200).

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

101211230000 is an equidigital number, since it uses as much as digits as its factorization.

101211230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68104 (or 68083 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 101211230000 its reverse (32112101), we get a palindrome (101243342101).

The spelling of 101211230000 in words is "one hundred one billion, two hundred eleven million, two hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 149 200 250 298 400 500 596 625 745 1000 1192 1250 1490 2000 2384 2500 2980 3725 5000 5960 7450 10000 11920 14900 18625 29800 37250 59600 67927 74500 93125 135854 149000 186250 271708 298000 339635 372500 543416 679270 745000 1086832 1358540 1490000 1698175 2717080 3396350 5434160 6792700 8490875 10121123 13585400 16981750 20242246 27170800 33963500 40484492 42454375 50605615 67927000 80968984 84908750 101211230 135854000 161937968 169817500 202422460 253028075 339635000 404844920 506056150 679270000 809689840 1012112300 1265140375 2024224600 2530280750 4048449200 5060561500 6325701875 10121123000 12651403750 20242246000 25302807500 50605615000 101211230000