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14620816980 = 223357211191263
BaseRepresentation
bin11011001110111011…
…11111011001010100
31101201221122110101000
431213131333121110
5214420412120410
610414450503300
71025213615400
oct154735773124
941657573330
1014620816980
116223085220
122a00594b30
1314c01159c3
149c9b1c100
155a88b3dc0
hex36777f654

14620816980 has 576 divisors, whose sum is σ = 58246594560. Its totient is φ = 3010694400.

The previous prime is 14620816933. The next prime is 14620816981. The reversal of 14620816980 is 8961802641.

14620816980 is a `hidden beast` number, since 1 + 4 + 620 + 8 + 16 + 9 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14620816981) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 55592329 + ... + 55592591.

It is an arithmetic number, because the mean of its divisors is an integer number (101122560).

Almost surely, 214620816980 is an apocalyptic number.

14620816980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14620816980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29123297280).

14620816980 is an abundant number, since it is smaller than the sum of its proper divisors (43625777580).

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

14620816980 is a wasteful number, since it uses less digits than its factorization.

14620816980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 14620816980 in words is "fourteen billion, six hundred twenty million, eight hundred sixteen thousand, nine hundred eighty".