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103210312020 = 22354793591173
BaseRepresentation
bin110000000011111010…
…0000110000101010100
3100212101220102002102220
41200013310012011110
53142333314441040
6115225243102340
710312435114524
oct1400764060524
9325356362386
10103210312020
113a853592032
1218004b119b0
13996a94bb5a
144dd1571684
152a40ec32d0
hex1807d06154

103210312020 has 48 divisors (see below), whose sum is σ = 289592271360. Its totient is φ = 27465283456.

The previous prime is 103210312019. The next prime is 103210312031. The reversal of 103210312020 is 20213012301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1766847 + ... + 1824326.

It is an arithmetic number, because the mean of its divisors is an integer number (6033172320).

Almost surely, 2103210312020 is an apocalyptic number.

103210312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103210312020 is an abundant number, since it is smaller than the sum of its proper divisors (186381959340).

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

103210312020 is a wasteful number, since it uses less digits than its factorization.

103210312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591664 (or 3591662 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 103210312020 its reverse (20213012301), we get a palindrome (123423324321).

The spelling of 103210312020 in words is "one hundred three billion, two hundred ten million, three hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 479 958 1437 1916 2395 2874 4790 5748 7185 9580 14370 28740 3591173 7182346 10773519 14364692 17955865 21547038 35911730 43094076 53867595 71823460 107735190 215470380 1720171867 3440343734 5160515601 6880687468 8600859335 10321031202 17201718670 20642062404 25802578005 34403437340 51605156010 103210312020