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101022001210 = 2513978011261
BaseRepresentation
bin101111000010101100…
…0010110100000111010
3100122202101201101100101
41132011120112200322
53123343113014320
6114224152030014
710204263561604
oct1360530264072
9318671641311
10101022001210
11399303167a9
12176b409230a
1396ac480ba0
144c64a98174
152963d14c0a
hex178561683a

101022001210 has 32 divisors (see below), whose sum is σ = 197846126352. Its totient is φ = 36915886080.

The previous prime is 101022001147. The next prime is 101022001247. The reversal of 101022001210 is 12100220101.

It can be written as a sum of positive squares in 8 ways, for example, as 16902860121 + 84119141089 = 130011^2 + 290033^2 .

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

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 15 ways as a sum of consecutive naturals, for example, 3993021 + ... + 4018240.

Almost surely, 2101022001210 is an apocalyptic number.

101022001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101022001210 is a deficient number, since it is larger than the sum of its proper divisors (96824125142).

101022001210 is a wasteful number, since it uses less digits than its factorization.

101022001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8011378.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101022001210 its reverse (12100220101), we get a palindrome (113122221311).

The spelling of 101022001210 in words is "one hundred one billion, twenty-two million, one thousand, two hundred ten".

Divisors: 1 2 5 10 13 26 65 97 130 194 485 970 1261 2522 6305 12610 8011261 16022522 40056305 80112610 104146393 208292786 520731965 777092317 1041463930 1554184634 3885461585 7770923170 10102200121 20204400242 50511000605 101022001210