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102010211010220 = 22517300030032383
BaseRepresentation
bin10111001100011100011010…
…011001000000011010101100
3111101012002011222222102222111
4113030130122121000122230
5101332313403004311340
61000542502145053404
730325665060614362
oct2714343231003254
9441162158872874
10102010211010220
112a55a318795087
12b536319327264
1344bc6a20083a6
141b2946b871632
15bbd7bde3baea
hex5cc71a6406ac

102010211010220 has 24 divisors (see below), whose sum is σ = 226822704482304. Its totient is φ = 38403844144896.

The previous prime is 102010211010181. The next prime is 102010211010229. The reversal of 102010211010220 is 22010112010201.

It is a self number, because there is not a number n which added to its sum of digits gives 102010211010220.

It is not an unprimeable number, because it can be changed into a prime (102010211010229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150015015852 + ... + 150015016531.

It is an arithmetic number, because the mean of its divisors is an integer number (9450946020096).

Almost surely, 2102010211010220 is an apocalyptic number.

102010211010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102010211010220 is an abundant number, since it is smaller than the sum of its proper divisors (124812493472084).

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

102010211010220 is a wasteful number, since it uses less digits than its factorization.

102010211010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300030032409 (or 300030032407 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102010211010220 its reverse (22010112010201), we get a palindrome (124020323020421).

The spelling of 102010211010220 in words is "one hundred two trillion, ten billion, two hundred eleven million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 300030032383 600060064766 1200120129532 1500150161915 3000300323830 5100510550511 6000600647660 10201021101022 20402042202044 25502552752555 51005105505110 102010211010220