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102102223123320 = 23357679911830659
BaseRepresentation
bin10111001101110010000110…
…101111010111001101111000
3111101111212200111000002101020
4113031302012233113031320
5101340320323104421240
61001053040324022440
730335433161643030
oct2715620657271570
9441455614002336
10102102223123320
112a595345176562
12b550117b31a20
1344c8276956324
141b2dab9a9c8c0
15bc0da6c700d0
hex5cdc86bd7378

102102223123320 has 256 divisors, whose sum is σ = 355648322764800. Its totient is φ = 22966117194240.

The previous prime is 102102223123279. The next prime is 102102223123451. The reversal of 102102223123320 is 23321322201201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54858151 + ... + 56688809.

It is an arithmetic number, because the mean of its divisors is an integer number (1389251260800).

Almost surely, 2102102223123320 is an apocalyptic number.

102102223123320 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 102102223123320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177824161382400).

102102223123320 is an abundant number, since it is smaller than the sum of its proper divisors (253546099641480).

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

102102223123320 is a wasteful number, since it uses less digits than its factorization.

102102223123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831738 (or 1831734 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 102102223123320 its reverse (23321322201201), we get a palindrome (125423545324521).

The spelling of 102102223123320 in words is "one hundred two trillion, one hundred two billion, two hundred twenty-three million, one hundred twenty-three thousand, three hundred twenty".