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102110120010 = 232515728125717
BaseRepresentation
bin101111100011000111…
…1001100100001001010
3100202120020012112201200
41133012033030201022
53133110142320020
6114524142125030
710243245461613
oct1370617144112
9322506175650
10102110120010
113a339556538
1217958580776
139823a31972
144d293c2c0a
1529c9600590
hex17c63cc84a

102110120010 has 96 divisors (see below), whose sum is σ = 268138542672. Its totient is φ = 26958597120.

The previous prime is 102110119997. The next prime is 102110120039. The reversal of 102110120010 is 10021011201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 47125028889 + 54985091121 = 217083^2 + 234489^2 .

It is a super-3 number, since 3×1021101200103 (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 102110119974 and 102110120001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3957672 + ... + 3983388.

Almost surely, 2102110120010 is an apocalyptic number.

102110120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102110120010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134069271336).

102110120010 is an abundant number, since it is smaller than the sum of its proper divisors (166028422662).

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

102110120010 is a wasteful number, since it uses less digits than its factorization.

102110120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26168 (or 26165 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 102110120010 its reverse (10021011201), we get a palindrome (112131131211).

The spelling of 102110120010 in words is "one hundred two billion, one hundred ten million, one hundred twenty thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 157 281 314 471 562 785 843 942 1405 1413 1570 1686 2355 2529 2810 2826 4215 4710 5058 7065 8430 12645 14130 25290 25717 44117 51434 77151 88234 128585 132351 154302 220585 231453 257170 264702 385755 397053 441170 462906 661755 771510 794106 1157265 1323510 1985265 2314530 3970530 4037569 7226477 8075138 12112707 14452954 20187845 21679431 24225414 36132385 36338121 40375690 43358862 60563535 65038293 72264770 72676242 108397155 121127070 130076586 181690605 216794310 325191465 363381210 650382930 1134556889 2269113778 3403670667 5672784445 6807341334 10211012001 11345568890 17018353335 20422024002 34036706670 51055060005 102110120010