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11221230230072 = 2331160728156127
BaseRepresentation
bin1010001101001010010101…
…1100010001101000111000
31110201201221211100210110022
42203102211130101220320
52432322034414330242
635510543443110012
72235464355126662
oct243224534215070
943651854323408
1011221230230072
113636995a231a5
1213128bb372308
13635207c67c35
142ab17909b532
15146d538a70d2
hexa34a5711a38

11221230230072 has 32 divisors (see below), whose sum is σ = 21732025835520. Its totient is φ = 5426248602720.

The previous prime is 11221230230071. The next prime is 11221230230101. The reversal of 11221230230072 is 27003203212211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221230230071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13679528 + ... + 14476599.

It is an arithmetic number, because the mean of its divisors is an integer number (679125807360).

Almost surely, 211221230230072 is an apocalyptic number.

It is an amenable number.

11221230230072 is a deficient number, since it is larger than the sum of its proper divisors (10510795605448).

11221230230072 is a wasteful number, since it uses less digits than its factorization.

11221230230072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28157771 (or 28157767 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 11221230230072 its reverse (27003203212211), we get a palindrome (38224433442283).

The spelling of 11221230230072 in words is "eleven trillion, two hundred twenty-one billion, two hundred thirty million, two hundred thirty thousand, seventy-two".

Divisors: 1 2 4 8 31 62 124 248 1607 3214 6428 12856 49817 99634 199268 398536 28156127 56312254 112624508 225249016 872839937 1745679874 3491359748 6982719496 45246896089 90493792178 180987584356 361975168712 1402653778759 2805307557518 5610615115036 11221230230072