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102102021222010 = 2516451620643251
BaseRepresentation
bin10111001101110001111010…
…101101001010111001111010
3111101111212011102002102211221
4113031301322231022321322
5101340314414413101020
61001053004312342254
730335425160546335
oct2715617255127172
9441455142072757
10102102021222010
112a595251205077
12b5500803a498a
1344c8243b847b4
141b2da9ad4361c
15bc0d9418c6aa
hex5cdc7ab4ae7a

102102021222010 has 16 divisors (see below), whose sum is σ = 183794810074272. Its totient is φ = 40838325850000.

The previous prime is 102102021221957. The next prime is 102102021222029. The reversal of 102102021222010 is 10222120201201.

It is a happy number.

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, 310157116 + ... + 310486135.

It is an arithmetic number, because the mean of its divisors is an integer number (11487175629642).

Almost surely, 2102102021222010 is an apocalyptic number.

102102021222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102102021222010 is a deficient number, since it is larger than the sum of its proper divisors (81692788852262).

102102021222010 is a wasteful number, since it uses less digits than its factorization.

102102021222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620659709.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102102021222010 its reverse (10222120201201), we get a palindrome (112324141423211).

The spelling of 102102021222010 in words is "one hundred two trillion, one hundred two billion, twenty-one million, two hundred twenty-two thousand, ten".

Divisors: 1 2 5 10 16451 32902 82255 164510 620643251 1241286502 3103216255 6206432510 10210202122201 20420404244402 51051010611005 102102021222010