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102112220303120 = 2451567198144531
BaseRepresentation
bin10111001101111011011010…
…100111100100111100010000
3111101112211111012110102220202
4113031323122213210330100
5101341001311344144440
61001101412330154332
730336236003400566
oct2715733247447420
9441484435412822
10102112220303120
112a599605334725
12b552047b829a8
1344c91aab96c31
141b303876c9a36
15bc128e772615
hex5cdeda9e4f10

102112220303120 has 40 divisors (see below), whose sum is σ = 237412456237440. Its totient is φ = 40844622481280.

The previous prime is 102112220303047. The next prime is 102112220303227. The reversal of 102112220303120 is 21303022211201.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 102112220303092 and 102112220303101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8465255 + ... + 16609785.

It is an arithmetic number, because the mean of its divisors is an integer number (5935311405936).

Almost surely, 2102112220303120 is an apocalyptic number.

102112220303120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102112220303120 is an abundant number, since it is smaller than the sum of its proper divisors (135300235934320).

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

102112220303120 is a wasteful number, since it uses less digits than its factorization.

102112220303120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8301263 (or 8301257 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102112220303120 its reverse (21303022211201), we get a palindrome (123415242514321).

The spelling of 102112220303120 in words is "one hundred two trillion, one hundred twelve billion, two hundred twenty million, three hundred three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 156719 313438 626876 783595 1253752 1567190 2507504 3134380 6268760 8144531 12537520 16289062 32578124 40722655 65156248 81445310 130312496 162890620 325781240 651562480 1276402753789 2552805507578 5105611015156 6382013768945 10211222030312 12764027537890 20422444060624 25528055075780 51056110151560 102112220303120