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102030123000 = 233531311532269
BaseRepresentation
bin101111100000101111…
…0000001111111111000
3100202100122200021110110
41133001132001333320
53132424202414000
6114512203344320
710241254510311
oct1370136017770
9322318607413
10102030123000
113a2a8387603
12179358220a0
1398102a2a60
144d1c91b608
1529c259c850
hex17c1781ff8

102030123000 has 256 divisors, whose sum is σ = 343269763200. Its totient is φ = 25082265600.

The previous prime is 102030122993. The next prime is 102030123001. The reversal of 102030123000 is 321030201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102030123001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44965866 + ... + 44968134.

Almost surely, 2102030123000 is an apocalyptic number.

102030123000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102030123000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171634881600).

102030123000 is an abundant number, since it is smaller than the sum of its proper divisors (241239640200).

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

102030123000 is a wasteful number, since it uses less digits than its factorization.

102030123000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459 (or 3445 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 102030123000 its reverse (321030201), we get a palindrome (102351153201).

The spelling of 102030123000 in words is "one hundred two billion, thirty million, one hundred twenty-three thousand".