Search a number
-
+
153421402445142 = 231317307376880831
BaseRepresentation
bin100010111000100100110100…
…001100011001010101010110
3202010012221110022210022011220
4202320210310030121111112
5130102124013011221032
61302144452544311210
744213221242533646
oct4270446414312526
9663187408708156
10153421402445142
1144980718aa1127
121525a119312506
13677b764b08470
1429c58c7b48526
1512b0c994b212c
hex8b8934319556

153421402445142 has 64 divisors (see below), whose sum is σ = 351023791878144. Its totient is φ = 44285005048320.

The previous prime is 153421402445123. The next prime is 153421402445167. The reversal of 153421402445142 is 241544204124351.

It is a junction number, because it is equal to n+sod(n) for n = 153421402445094 and 153421402445103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188033334 + ... + 188847497.

It is an arithmetic number, because the mean of its divisors is an integer number (5484746748096).

Almost surely, 2153421402445142 is an apocalyptic number.

153421402445142 is an abundant number, since it is smaller than the sum of its proper divisors (197602389433002).

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

153421402445142 is a wasteful number, since it uses less digits than its factorization.

153421402445142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376881173.

The product of its (nonzero) digits is 614400, while the sum is 42.

Adding to 153421402445142 its reverse (241544204124351), we get a palindrome (394965606569493).

The spelling of 153421402445142 in words is "one hundred fifty-three trillion, four hundred twenty-one billion, four hundred two million, four hundred forty-five thousand, one hundred forty-two".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 102 221 307 442 614 663 921 1326 1842 3991 5219 7982 10438 11973 15657 23946 31314 67847 135694 203541 407082 376880831 753761662 1130642493 2261284986 4899450803 6406974127 9798901606 12813948254 14698352409 19220922381 29396704818 38441844762 83290663651 115702415117 166581327302 231404830234 249871990953 347107245351 499743981906 694214490702 1504131396521 1966941056989 3008262793042 3933882113978 4512394189563 5900823170967 9024788379126 11801646341934 25570233740857 51140467481714 76710701222571 153421402445142