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20410140102 = 2311597173823
BaseRepresentation
bin10011000000100010…
…100000010111000110
31221200102021112200220
4103000202200113012
5313244443440402
613213140045210
71321532220432
oct230042402706
957612245626
1020410140102
118723aa0390
123b57393806
131c036597a1
14db89699c2
157e6c83dbc
hex4c08a05c6

20410140102 has 64 divisors (see below), whose sum is σ = 45924433920. Its totient is φ = 5994346400.

The previous prime is 20410140097. The next prime is 20410140137. The reversal of 20410140102 is 20104101402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239563 + ... + 313385.

It is an arithmetic number, because the mean of its divisors is an integer number (717569280).

Almost surely, 220410140102 is an apocalyptic number.

20410140102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20410140102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22962216960).

20410140102 is an abundant number, since it is smaller than the sum of its proper divisors (25514293818).

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

20410140102 is a wasteful number, since it uses less digits than its factorization.

20410140102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73969.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20410140102 its reverse (20104101402), we get a palindrome (40514241504).

The spelling of 20410140102 in words is "twenty billion, four hundred ten million, one hundred forty thousand, one hundred two".

Divisors: 1 2 3 6 11 22 33 59 66 71 118 142 177 213 354 426 649 781 1298 1562 1947 2343 3894 4189 4686 8378 12567 25134 46079 73823 92158 138237 147646 221469 276474 442938 812053 1624106 2436159 4355557 4872318 5241433 8711114 10482866 13066671 15724299 26133342 31448598 47911127 57655763 95822254 115311526 143733381 172967289 287466762 309244547 345934578 618489094 927733641 1855467282 3401690017 6803380034 10205070051 20410140102