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103113001220 = 225172231359971
BaseRepresentation
bin110000000001000000…
…0111000100100000100
3100212011010022012010012
41200002000320210010
53142133412014340
6115211445245352
710310144022545
oct1400200704404
9325133265105
10103113001220
113a803667a89
1217b98403858
13995373a3b8
144dc26804cc
152a376a0565
hex1802038904

103113001220 has 48 divisors (see below), whose sum is σ = 230303098368. Its totient is φ = 38644907520.

The previous prime is 103113001217. The next prime is 103113001247. The reversal of 103113001220 is 22100311301.

It is a junction number, because it is equal to n+sod(n) for n = 103113001195 and 103113001204.

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, 604166 + ... + 755805.

It is an arithmetic number, because the mean of its divisors is an integer number (4797981216).

Almost surely, 2103113001220 is an apocalyptic number.

103113001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103113001220 is an abundant number, since it is smaller than the sum of its proper divisors (127190097148).

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

103113001220 is a wasteful number, since it uses less digits than its factorization.

103113001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360220 (or 1360218 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 103113001220 its reverse (22100311301), we get a palindrome (125213312521).

The spelling of 103113001220 in words is "one hundred three billion, one hundred thirteen million, one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 223 340 446 892 1115 2230 3791 4460 7582 15164 18955 37910 75820 1359971 2719942 5439884 6799855 13599710 23119507 27199420 46239014 92478028 115597535 231195070 303273533 462390140 606547066 1213094132 1516367665 3032735330 5155650061 6065470660 10311300122 20622600244 25778250305 51556500610 103113001220