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103415503212 = 22327410378981
BaseRepresentation
bin110000001010000001…
…0110101100101101100
3100212221012111212211200
41200110002311211230
53143243332100322
6115301453045500
710320506162550
oct1402402654554
9325835455750
10103415503212
113a9493a022a
1218061786890
1399a1302c68
145010905860
152a540058ac
hex18140b596c

103415503212 has 36 divisors (see below), whose sum is σ = 298755898896. Its totient is φ = 29547286560.

The previous prime is 103415503171. The next prime is 103415503241. The reversal of 103415503212 is 212305514301.

103415503212 is a `hidden beast` number, since 103 + 4 + 1 + 550 + 3 + 2 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205189239 + ... + 205189742.

Almost surely, 2103415503212 is an apocalyptic number.

103415503212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103415503212 is an abundant number, since it is smaller than the sum of its proper divisors (195340395684).

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

103415503212 is a wasteful number, since it uses less digits than its factorization.

103415503212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410378998 (or 410378993 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 103415503212 in words is "one hundred three billion, four hundred fifteen million, five hundred three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 410378981 820757962 1231136943 1641515924 2462273886 2872652867 3693410829 4924547772 5745305734 7386821658 8617958601 11490611468 14773643316 17235917202 25853875803 34471834404 51707751606 103415503212