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102231223122 = 2377173469627
BaseRepresentation
bin101111100110101110…
…1001010101101010010
3100202212200002012222010
41133031131022231102
53133332143114442
6114544145523350
710246246026120
oct1371535125522
9322780065863
10102231223122
113a3a0951056
1217991043556
139842b53a02
144d3b508910
1529d5072b9c
hex17cd74ab52

102231223122 has 64 divisors (see below), whose sum is σ = 240209086464. Its totient is φ = 28402980480.

The previous prime is 102231223111. The next prime is 102231223163. The reversal of 102231223122 is 221322132201.

It is a super-3 number, since 3×1022312231223 (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17128 + ... + 452499.

It is an arithmetic number, because the mean of its divisors is an integer number (3753266976).

Almost surely, 2102231223122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102231223122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120104543232).

102231223122 is an abundant number, since it is smaller than the sum of its proper divisors (137977863342).

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

102231223122 is a wasteful number, since it uses less digits than its factorization.

102231223122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469783.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 102231223122 its reverse (221322132201), we get a palindrome (323553355323).

The spelling of 102231223122 in words is "one hundred two billion, two hundred thirty-one million, two hundred twenty-three thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 71 73 142 146 213 219 426 438 497 511 994 1022 1491 1533 2982 3066 5183 10366 15549 31098 36281 72562 108843 217686 469627 939254 1408881 2817762 3287389 6574778 9862167 19724334 33343517 34282771 66687034 68565542 100030551 102848313 200061102 205696626 233404619 239979397 466809238 479958794 700213857 719938191 1400427714 1439876382 2434076741 4868153482 7302230223 14604460446 17038537187 34077074374 51115611561 102231223122