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101212110010 = 25111754124123
BaseRepresentation
bin101111001000010110…
…1100011110010111010
3100200020122102220121001
41132100231203302322
53124240300010020
6114255102435214
710212062511634
oct1362055436272
9320218386531
10101212110010
1139a18663310
1217747892b0a
13970c983cbb
144c82023a54
15297586850a
hex1790b63cba

101212110010 has 32 divisors (see below), whose sum is σ = 210434594112. Its totient is φ = 34639438080.

The previous prime is 101212110007. The next prime is 101212110017. The reversal of 101212110010 is 10011212101.

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

It is not an unprimeable number, because it can be changed into a prime (101212110017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27060192 + ... + 27063931.

It is an arithmetic number, because the mean of its divisors is an integer number (6576081066).

Almost surely, 2101212110010 is an apocalyptic number.

101212110010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101212110010 is an abundant number, since it is smaller than the sum of its proper divisors (109222484102).

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

101212110010 is a wasteful number, since it uses less digits than its factorization.

101212110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54124158.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101212110010 its reverse (10011212101), we get a palindrome (111223322111).

The spelling of 101212110010 in words is "one hundred one billion, two hundred twelve million, one hundred ten thousand, ten".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 374 935 1870 54124123 108248246 270620615 541241230 595365353 920110091 1190730706 1840220182 2976826765 4600550455 5953653530 9201100910 10121211001 20242422002 50606055005 101212110010