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103212211050 = 232521317643113
BaseRepresentation
bin110000000011111101…
…1010101101101101010
3100212102000222120102100
41200013323111231222
53142334311223200
6115225351514230
710312460214204
oct1400773255552
9325360876370
10103212211050
113a854669883
1218005688976
13996b165340
144dd1907774
152a4124ad00
hex1807ed5b6a

103212211050 has 72 divisors (see below), whose sum is σ = 298627347564. Its totient is φ = 25406081280.

The previous prime is 103212211043. The next prime is 103212211117. The reversal of 103212211050 is 50112212301.

It can be written as a sum of positive squares in 6 ways, for example, as 976625001 + 102235586049 = 31251^2 + 319743^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8815707 + ... + 8827406.

Almost surely, 2103212211050 is an apocalyptic number.

103212211050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103212211050 is an abundant number, since it is smaller than the sum of its proper divisors (195415136514).

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

103212211050 is a wasteful number, since it uses less digits than its factorization.

103212211050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17643144 (or 17643136 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 103212211050 its reverse (50112212301), we get a palindrome (153324423351).

The spelling of 103212211050 in words is "one hundred three billion, two hundred twelve million, two hundred eleven thousand, fifty".

Divisors: 1 2 3 5 6 9 10 13 15 18 25 26 30 39 45 50 65 75 78 90 117 130 150 195 225 234 325 390 450 585 650 975 1170 1950 2925 5850 17643113 35286226 52929339 88215565 105858678 158788017 176431130 229360469 264646695 317576034 441077825 458720938 529293390 688081407 793940085 882155650 1146802345 1323233475 1376162814 1587880170 2064244221 2293604690 2646466950 3440407035 3969700425 4128488442 5734011725 6880814070 7939400850 10321221105 11468023450 17202035175 20642442210 34404070350 51606105525 103212211050