Search a number
-
+
252144444042 = 23288715792587
BaseRepresentation
bin1110101011010011111…
…0101110001010001010
3220002211101020220022200
43222310332232022022
513112342434202132
6311500014301030
724134242261131
oct3526476561212
9802741226280
10252144444042
1197a2aa68857
1240a4a7b7776
131aa1443b2aa
14c2bd54a918
15685b20ed7c
hex3ab4fae28a

252144444042 has 24 divisors (see below), whose sum is σ = 546928907616. Its totient is φ = 83953387176.

The previous prime is 252144444031. The next prime is 252144444053. The reversal of 252144444042 is 240444441252.

It is an interprime number because it is at equal distance from previous prime (252144444031) and next prime (252144444053).

It is a super-2 number, since 2×2521444440422 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252144443988 and 252144444006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7880328 + ... + 7912259.

It is an arithmetic number, because the mean of its divisors is an integer number (22788704484).

Almost surely, 2252144444042 is an apocalyptic number.

252144444042 is an abundant number, since it is smaller than the sum of its proper divisors (294784463574).

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

252144444042 is a wasteful number, since it uses less digits than its factorization.

252144444042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15793482 (or 15793479 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 36.

Adding to 252144444042 its reverse (240444441252), we get a palindrome (492588885294).

The spelling of 252144444042 in words is "two hundred fifty-two billion, one hundred forty-four million, four hundred forty-four thousand, forty-two".

Divisors: 1 2 3 6 9 18 887 1774 2661 5322 7983 15966 15792587 31585174 47377761 94755522 142133283 284266566 14008024669 28016049338 42024074007 84048148014 126072222021 252144444042