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103220133012 = 223210687268291
BaseRepresentation
bin110000000100001100…
…1100011110010010100
3100212102120220001022100
41200020121203302110
53142343323224022
6115230233402100
710312614440253
oct1401031436224
9325376801270
10103220133012
113a85908a757
1218008269330
13996c9aa0a9
144dd29aa79a
152a41cb31ac
hex1808663c94

103220133012 has 36 divisors (see below), whose sum is σ = 260942945536. Its totient is φ = 34403363280.

The previous prime is 103220133011. The next prime is 103220133047. The reversal of 103220133012 is 210331022301.

103220133012 is a `hidden beast` number, since 1 + 0 + 322 + 0 + 1 + 330 + 12 = 666.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103220133011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250587 + ... + 518877.

Almost surely, 2103220133012 is an apocalyptic number.

103220133012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103220133012 is an abundant number, since it is smaller than the sum of its proper divisors (157722812524).

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

103220133012 is a wasteful number, since it uses less digits than its factorization.

103220133012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278988 (or 278983 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 103220133012 its reverse (210331022301), we get a palindrome (313551155313).

The spelling of 103220133012 in words is "one hundred three billion, two hundred twenty million, one hundred thirty-three thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 10687 21374 32061 42748 64122 96183 128244 192366 268291 384732 536582 804873 1073164 1609746 2414619 3219492 4829238 9658476 2867225917 5734451834 8601677751 11468903668 17203355502 25805033253 34406711004 51610066506 103220133012