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15244021441 = 11411392411009
BaseRepresentation
bin11100011001001110…
…10100111011000001
31110100101022112011201
432030213110323001
5222204432141231
611000352141201
71046522021125
oct161447247301
943311275151
1015244021441
116512941a30
122b55237801
13158c27743c
14a487c5585
155e3467161
hex38c9d4ec1

15244021441 has 32 divisors (see below), whose sum is σ = 17246275200. Its totient is φ = 13353984000.

The previous prime is 15244021439. The next prime is 15244021459. The reversal of 15244021441 is 14412044251.

It is a happy number.

15244021441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 15244021441 - 21 = 15244021439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15244021411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15107545 + ... + 15108553.

It is an arithmetic number, because the mean of its divisors is an integer number (538946100).

Almost surely, 215244021441 is an apocalyptic number.

15244021441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15244021441 is a deficient number, since it is larger than the sum of its proper divisors (2002253759).

15244021441 is a wasteful number, since it uses less digits than its factorization.

15244021441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 15244021441 its reverse (14412044251), we get a palindrome (29656065692).

The spelling of 15244021441 in words is "fifteen billion, two hundred forty-four million, twenty-one thousand, four hundred forty-one".

Divisors: 1 11 41 139 241 451 1009 1529 2651 5699 9881 11099 33499 41369 62689 108691 140251 243169 368489 455059 1373459 1542761 2674859 5750291 9969929 15108049 33800491 63253201 109669219 371805401 1385820131 15244021441