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103121223201 = 3431179313733
BaseRepresentation
bin110000000001010000…
…0001111111000100001
3100212011200202220120000
41200002200033320201
53142143013120301
6115212341410213
710310303635413
oct1400240177041
9325150686500
10103121223201
113a808273307
1217b9b109969
139955358889
144dc37c09b3
152a38276786
hex180280fe21

103121223201 has 80 divisors (see below), whose sum is σ = 160632552960. Its totient is φ = 65856810240.

The previous prime is 103121223199. The next prime is 103121223241. The reversal of 103121223201 is 102322121301.

103121223201 is a `hidden beast` number, since 10 + 312 + 1 + 22 + 320 + 1 = 666.

It is not a de Polignac number, because 103121223201 - 21 = 103121223199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103121223241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 140683431 + ... + 140684163.

It is an arithmetic number, because the mean of its divisors is an integer number (2007906912).

Almost surely, 2103121223201 is an apocalyptic number.

It is an amenable number.

103121223201 is a deficient number, since it is larger than the sum of its proper divisors (57511329759).

103121223201 is a wasteful number, since it uses less digits than its factorization.

103121223201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 1259 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103121223201 its reverse (102322121301), we get a palindrome (205443344502).

The spelling of 103121223201 in words is "one hundred three billion, one hundred twenty-one million, two hundred twenty-three thousand, two hundred one".

Divisors: 1 3 9 27 31 81 93 179 279 313 537 733 837 939 1611 2199 2511 2817 4833 5549 6597 8451 9703 14499 16647 19791 22723 25353 29109 49941 56027 59373 68169 87327 131207 149823 168081 204507 229429 261981 393621 449469 504243 613521 688287 785943 1180863 1512729 1736837 1840563 2064861 3542589 4067417 4538187 5210511 6194583 7112299 10627767 12202251 15631533 18583749 21336897 36606753 41067791 46894599 64010691 109820259 123203373 140683797 192032073 329460777 369610119 576096219 1108830357 1273101521 3326491071 3819304563 11457913689 34373741067 103121223201