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47450620680 = 23353831032433
BaseRepresentation
bin101100001100010001…
…110000001100001000
311112110220201021122120
4230030101300030020
51234134324330210
633444251251240
73266604422661
oct541421601410
9145426637576
1047450620680
111913a7026a1
129243149b20
134622841858
142421d08368
15137ab63270
hexb0c470308

47450620680 has 64 divisors (see below), whose sum is σ = 142723676160. Its totient is φ = 12620448768.

The previous prime is 47450620667. The next prime is 47450620687. The reversal of 47450620680 is 8602605474.

It is a super-2 number, since 2×474506206802 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47450620687) 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, 470257 + ... + 562176.

It is an arithmetic number, because the mean of its divisors is an integer number (2230057440).

Almost surely, 247450620680 is an apocalyptic number.

47450620680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47450620680 is an abundant number, since it is smaller than the sum of its proper divisors (95273055480).

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

47450620680 is a wasteful number, since it uses less digits than its factorization.

47450620680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032830 (or 1032826 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 47450620680 in words is "forty-seven billion, four hundred fifty million, six hundred twenty thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 383 766 1149 1532 1915 2298 3064 3830 4596 5745 7660 9192 11490 15320 22980 45960 1032433 2064866 3097299 4129732 5162165 6194598 8259464 10324330 12389196 15486495 20648660 24778392 30972990 41297320 61945980 123891960 395421839 790843678 1186265517 1581687356 1977109195 2372531034 3163374712 3954218390 4745062068 5931327585 7908436780 9490124136 11862655170 15816873560 23725310340 47450620680