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102122020444430 = 25723437342734729
BaseRepresentation
bin10111001110000100100010…
…110000001001100100001110
3111101120202210012011012110102
4113032010202300021210032
5101341131344213210210
61001110113013211102
730340033603254260
oct2716044260114416
9441522705135412
10102122020444430
112a5a2784252968
12b553b22030a92
1344ca0b034950c
141b30a370a5b30
15bc1664d02ea5
hex5ce122c0990e

102122020444430 has 256 divisors, whose sum is σ = 227485536030720. Its totient is φ = 32249606602752.

The previous prime is 102122020444397. The next prime is 102122020444489. The reversal of 102122020444430 is 34444020221201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102122020444393 and 102122020444402.

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 127 ways as a sum of consecutive naturals, for example, 21594842306 + ... + 21594847034.

It is an arithmetic number, because the mean of its divisors is an integer number (888615375120).

Almost surely, 2102122020444430 is an apocalyptic number.

102122020444430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102122020444430 is an abundant number, since it is smaller than the sum of its proper divisors (125363515586290).

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

102122020444430 is a wasteful number, since it uses less digits than its factorization.

102122020444430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9155.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 102122020444430 its reverse (34444020221201), we get a palindrome (136566040665631).

The spelling of 102122020444430 in words is "one hundred two trillion, one hundred twenty-two billion, twenty million, four hundred forty-four thousand, four hundred thirty".