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10031230000 = 24541191193
BaseRepresentation
bin10010101011110100…
…00110110000110000
3221220002112021122001
421111322012300300
5131020443330000
64335220023344
7503404022341
oct112572066060
927802467561
1010031230000
114288405630
121b3b531b54
13c3b30326c
146b23720c8
153da9cb46a
hex255e86c30

10031230000 has 100 divisors (see below), whose sum is σ = 26494775208. Its totient is φ = 3647680000.

The previous prime is 10031229979. The next prime is 10031230031. The reversal of 10031230000 is 3213001.

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

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64404 + ... + 155596.

Almost surely, 210031230000 is an apocalyptic number.

10031230000 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 10031230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13247387604).

10031230000 is an abundant number, since it is smaller than the sum of its proper divisors (16463545208).

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

10031230000 is an equidigital number, since it uses as much as digits as its factorization.

10031230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91232 (or 91211 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 10031230000 its reverse (3213001), we get a palindrome (10034443001).

The spelling of 10031230000 in words is "ten billion, thirty-one million, two hundred thirty thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 125 176 200 220 250 275 400 440 500 550 625 880 1000 1100 1250 1375 2000 2200 2500 2750 4400 5000 5500 6875 10000 11000 13750 22000 27500 55000 91193 110000 182386 364772 455965 729544 911930 1003123 1459088 1823860 2006246 2279825 3647720 4012492 4559650 5015615 7295440 8024984 9119300 10031230 11399125 16049968 18238600 20062460 22798250 25078075 36477200 40124920 45596500 50156150 56995625 80249840 91193000 100312300 113991250 125390375 182386000 200624600 227982500 250780750 401249200 455965000 501561500 626951875 911930000 1003123000 1253903750 2006246000 2507807500 5015615000 10031230000