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14781620043 = 3331127241577
BaseRepresentation
bin11011100010000110…
…11001111101001011
31102011011020002201000
431301003121331023
5220233043320133
610442433230043
71032205461111
oct156103317513
942134202630
1014781620043
1162a5925a13
122a46402323
131517527b48
14a03219ab1
155b7a79413
hex3710d9f4b

14781620043 has 64 divisors (see below), whose sum is σ = 22917283840. Its totient is φ = 9405849600.

The previous prime is 14781620033. The next prime is 14781620081. The reversal of 14781620043 is 34002618741.

It is not a de Polignac number, because 14781620043 - 210 = 14781619019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14781620033) 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 63 ways as a sum of consecutive naturals, for example, 25617771 + ... + 25618347.

It is an arithmetic number, because the mean of its divisors is an integer number (358082560).

Almost surely, 214781620043 is an apocalyptic number.

14781620043 is a deficient number, since it is larger than the sum of its proper divisors (8135663797).

14781620043 is a wasteful number, since it uses less digits than its factorization.

14781620043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 14781620043 in words is "fourteen billion, seven hundred eighty-one million, six hundred twenty thousand, forty-three".

Divisors: 1 3 9 27 31 93 127 241 279 381 577 723 837 1143 1731 2169 3429 3937 5193 6507 7471 11811 15579 17887 22413 30607 35433 53661 67239 73279 91821 106299 139057 160983 201717 219837 275463 417171 482949 659511 826389 948817 1251513 1978533 2271649 2846451 3754539 4310767 6814947 8539353 12932301 17660239 20444841 25618059 38796903 52980717 61334523 116390709 158942151 476826453 547467409 1642402227 4927206681 14781620043