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14538276840 = 2335281431147
BaseRepresentation
bin11011000101000110…
…00111111111101000
31101112012022222120210
431202203013333220
5214233244324330
610402341421120
71023162212523
oct154243077750
941465288523
1014538276840
11619052962a
122998a0a7a0
1314a8ca6399
149bcb93bba
155a150c8b0
hex3628c7fe8

14538276840 has 64 divisors (see below), whose sum is σ = 43770144960. Its totient is φ = 3863068160.

The previous prime is 14538276803. The next prime is 14538276847. The reversal of 14538276840 is 4867283541.

It is a super-2 number, since 2×145382768402 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14538276840.

It is not an unprimeable number, because it can be changed into a prime (14538276847) 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 15 ways as a sum of consecutive naturals, for example, 181854 + ... + 249293.

It is an arithmetic number, because the mean of its divisors is an integer number (683908515).

Almost surely, 214538276840 is an apocalyptic number.

14538276840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14538276840 is an abundant number, since it is smaller than the sum of its proper divisors (29231868120).

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

14538276840 is a wasteful number, since it uses less digits than its factorization.

14538276840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431442 (or 431438 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

It can be divided in two parts, 145382 and 76840, that added together give a palindrome (222222).

The spelling of 14538276840 in words is "fourteen billion, five hundred thirty-eight million, two hundred seventy-six thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 281 562 843 1124 1405 1686 2248 2810 3372 4215 5620 6744 8430 11240 16860 33720 431147 862294 1293441 1724588 2155735 2586882 3449176 4311470 5173764 6467205 8622940 10347528 12934410 17245880 25868820 51737640 121152307 242304614 363456921 484609228 605761535 726913842 969218456 1211523070 1453827684 1817284605 2423046140 2907655368 3634569210 4846092280 7269138420 14538276840