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102030103220 = 22547538720149
BaseRepresentation
bin101111100000101110…
…1111101001010110100
3100202100122122021022212
41133001131331022310
53132424201300340
6114512203112552
710241254365533
oct1370135751264
9322318567285
10102030103220
113a2a8373761
1217935812758
139810296a56
144d1c91431a
1529c2596a65
hex17c177d2b4

102030103220 has 48 divisors (see below), whose sum is σ = 218873491200. Its totient is φ = 39934303104.

The previous prime is 102030103213. The next prime is 102030103229. The reversal of 102030103220 is 22301030201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102030103195 and 102030103204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102030103229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5053706 + ... + 5073854.

It is an arithmetic number, because the mean of its divisors is an integer number (4559864400).

Almost surely, 2102030103220 is an apocalyptic number.

102030103220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102030103220 is an abundant number, since it is smaller than the sum of its proper divisors (116843387980).

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

102030103220 is a wasteful number, since it uses less digits than its factorization.

102030103220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25592 (or 25590 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 102030103220 its reverse (22301030201), we get a palindrome (124331133421).

The spelling of 102030103220 in words is "one hundred two billion, thirty million, one hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 5387 10774 20149 21548 26935 40298 53870 80596 100745 107740 201490 253189 402980 506378 947003 1012756 1265945 1894006 2531890 3788012 4735015 5063780 9470030 18940060 108542663 217085326 434170652 542713315 1085426630 2170853260 5101505161 10203010322 20406020644 25507525805 51015051610 102030103220