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102122231230 = 25234349920693
BaseRepresentation
bin101111100011011110…
…1011001010110111110
3100202121001222212012101
41133012331121112332
53133121242344410
6114525253455314
710243453433365
oct1370675312676
9322531885171
10102122231230
113a345378908
121796064153a
1398263b2476
144d2ac567dc
1529ca6e3d3a
hex17c6f595be

102122231230 has 64 divisors (see below), whose sum is σ = 196675776000. Its totient is φ = 38085860736.

The previous prime is 102122231201. The next prime is 102122231231. The reversal of 102122231230 is 32132221201.

It is a super-2 number, since 2×1021222312302 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102122231198 and 102122231207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122231231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4924764 + ... + 4945456.

It is an arithmetic number, because the mean of its divisors is an integer number (3073059000).

Almost surely, 2102122231230 is an apocalyptic number.

102122231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102122231230 is a deficient number, since it is larger than the sum of its proper divisors (94553544770).

102122231230 is a wasteful number, since it uses less digits than its factorization.

102122231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21265.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102122231230 its reverse (32132221201), we get a palindrome (134254452431).

The spelling of 102122231230 in words is "one hundred two billion, one hundred twenty-two million, two hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 23 43 46 86 115 215 230 430 499 989 998 1978 2495 4945 4990 9890 11477 20693 21457 22954 41386 42914 57385 103465 107285 114770 206930 214570 475939 493511 889799 951878 987022 1779598 2379695 2467555 4448995 4759390 4935110 8897990 10325807 20465377 20651614 40930754 51629035 102326885 103258070 204653770 237493561 444009701 474987122 888019402 1187467805 2220048505 2374935610 4440097010 10212223123 20424446246 51061115615 102122231230