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14940777481 = 722712017829
BaseRepresentation
bin11011110101000101…
…00010110000001001
31102120020201010122221
431322202202300021
5221044314334411
610510320414041
71036150341010
oct157242426011
942506633587
1014940777481
116377752293
122a8b777321
1315414b1c46
14a1a409a77
155c6a17071
hex37a8a2c09

14940777481 has 16 divisors (see below), whose sum is σ = 17166867840. Its totient is φ = 12737721600.

The previous prime is 14940777473. The next prime is 14940777491. The reversal of 14940777481 is 18477704941.

It is a cyclic number.

It is not a de Polignac number, because 14940777481 - 23 = 14940777473 is a prime.

It is a super-2 number, since 2×149407774812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14940777421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1904475 + ... + 1912303.

It is an arithmetic number, because the mean of its divisors is an integer number (1072929240).

Almost surely, 214940777481 is an apocalyptic number.

It is an amenable number.

14940777481 is a deficient number, since it is larger than the sum of its proper divisors (2226090359).

14940777481 is a wasteful number, since it uses less digits than its factorization.

14940777481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9264.

The product of its (nonzero) digits is 1580544, while the sum is 52.

The spelling of 14940777481 in words is "fourteen billion, nine hundred forty million, seven hundred seventy-seven thousand, four hundred eighty-one".

Divisors: 1 7 227 1201 1589 7829 8407 54803 272627 1777183 1908389 9402629 12440281 65818403 2134396783 14940777481