Search a number
-
+
126454655031505 = 5115831218343371
BaseRepresentation
bin11100110000001010000100…
…110010110001100011010001
3121120201221120022222020012121
4130300022010302301203101
5113033313113142002010
61124540244435054241
735431022143536463
oct3460120462614321
9546657508866177
10126454655031505
1137324133110089
1212223914141381
1355738133b2418
14233261ba96133
15e945983903da
hex730284cb18d1

126454655031505 has 8 divisors (see below), whose sum is σ = 151746896793024. Its totient is φ = 101162850188400.

The previous prime is 126454655031503. The next prime is 126454655031527. The reversal of 126454655031505 is 505130556454621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126454655031505 - 21 = 126454655031503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126454655031503) 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, 108592531 + ... + 109750840.

It is an arithmetic number, because the mean of its divisors is an integer number (18968362099128).

Almost surely, 2126454655031505 is an apocalyptic number.

It is an amenable number.

126454655031505 is a deficient number, since it is larger than the sum of its proper divisors (25292241761519).

126454655031505 is a wasteful number, since it uses less digits than its factorization.

126454655031505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218459207.

The product of its (nonzero) digits is 10800000, while the sum is 52.

The spelling of 126454655031505 in words is "one hundred twenty-six trillion, four hundred fifty-four billion, six hundred fifty-five million, thirty-one thousand, five hundred five".

Divisors: 1 5 115831 579155 218343371 1091716855 25290931006301 126454655031505