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101022231212 = 22723116626437
BaseRepresentation
bin101111000010101100…
…1001110101010101100
3100122202102011001211222
41132011121032222230
53123343142344322
6114224201002512
710204265540300
oct1360531165254
9318672131758
10101022231212
1139930463591
12176b4183438
1396ac531796
144c64b17d00
152963d5ce42
hex178564eaac

101022231212 has 36 divisors (see below), whose sum is σ = 212286360384. Its totient is φ = 41898618720.

The previous prime is 101022231169. The next prime is 101022231223. The reversal of 101022231212 is 212132220101.

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, 8307143 + ... + 8319294.

It is an arithmetic number, because the mean of its divisors is an integer number (5896843344).

Almost surely, 2101022231212 is an apocalyptic number.

It is an amenable number.

101022231212 is an abundant number, since it is smaller than the sum of its proper divisors (111264129172).

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

101022231212 is a wasteful number, since it uses less digits than its factorization.

101022231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16626486 (or 16626477 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 101022231212 its reverse (212132220101), we get a palindrome (313154451313).

The spelling of 101022231212 in words is "one hundred one billion, twenty-two million, two hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 31 49 62 98 124 196 217 434 868 1519 3038 6076 16626437 33252874 66505748 116385059 232770118 465540236 515419547 814695413 1030839094 1629390826 2061678188 3258781652 3607936829 7215873658 14431747316 25255557803 50511115606 101022231212