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101213010100 = 22524721534683
BaseRepresentation
bin101111001000011000…
…0111111100010110100
3100200020201010122021201
41132100300333202310
53124241012310400
6114255134022244
710212103251046
oct1362060774264
9320221118251
10101213010100
1139a19118594
1217748047984
13970cc0a8b7
144c821b9a96
15297599506a
hex1790c3f8b4

101213010100 has 36 divisors (see below), whose sum is σ = 224305268544. Its totient is φ = 39623814880.

The previous prime is 101213010091. The next prime is 101213010121. The reversal of 101213010100 is 1010312101.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10762642 + ... + 10772041.

It is an arithmetic number, because the mean of its divisors is an integer number (6230701904).

Almost surely, 2101213010100 is an apocalyptic number.

101213010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101213010100 is an abundant number, since it is smaller than the sum of its proper divisors (123092258444).

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

101213010100 is a wasteful number, since it uses less digits than its factorization.

101213010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21534744 (or 21534737 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 101213010100 its reverse (1010312101), we get a palindrome (102223322201).

The spelling of 101213010100 in words is "one hundred one billion, two hundred thirteen million, ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 47 50 94 100 188 235 470 940 1175 2350 4700 21534683 43069366 86138732 107673415 215346830 430693660 538367075 1012130101 1076734150 2024260202 2153468300 4048520404 5060650505 10121301010 20242602020 25303252525 50606505050 101213010100