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101120203030 = 25711791662341
BaseRepresentation
bin101111000101100111…
…0111101100100010110
3100200000020111112220211
41132023032331210112
53124043232444110
6114242020520034
710206565354360
oct1361316754426
9320006445824
10101120203030
113998079a230
1217720b5001a
1396c6915082
144c73b3bd30
15296c76198a
hex178b3bd916

101120203030 has 64 divisors (see below), whose sum is σ = 229802158080. Its totient is φ = 31119004800.

The previous prime is 101120203021. The next prime is 101120203033. The reversal of 101120203030 is 30302021101.

It is a self number, because there is not a number n which added to its sum of digits gives 101120203030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101120203033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 770341 + ... + 892000.

It is an arithmetic number, because the mean of its divisors is an integer number (3590658720).

Almost surely, 2101120203030 is an apocalyptic number.

101120203030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101120203030 is an abundant number, since it is smaller than the sum of its proper divisors (128681955050).

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

101120203030 is a wasteful number, since it uses less digits than its factorization.

101120203030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662445.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 101120203030 its reverse (30302021101), we get a palindrome (131422224131).

The spelling of 101120203030 in words is "one hundred one billion, one hundred twenty million, two hundred three thousand, thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 79 110 154 158 385 395 553 770 790 869 1106 1738 2765 4345 5530 6083 8690 12166 30415 60830 1662341 3324682 8311705 11636387 16623410 18285751 23272774 36571502 58181935 91428755 116363870 128000257 131324939 182857510 256000514 262649878 640001285 656624695 919274573 1280002570 1313249390 1444574329 1838549146 2889148658 4596372865 7222871645 9192745730 10112020303 14445743290 20224040606 50560101515 101120203030