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47720204808387 = 329184795450351
BaseRepresentation
bin10101101100110101110011…
…10110110011000011000011
320020222000012010021222222020
422312122321312303003003
522223321434412332022
6245254205350212523
713023446106136326
oct1266327166630303
9206860163258866
1047720204808387
1114229030607661
1254285b4054143
132081cc42b6737
14bad9551b27bd
1557b4a31e835c
hex2b66b9db30c3

47720204808387 has 8 divisors (see below), whose sum is σ = 63626973219840. Its totient is φ = 31813453134600.

The previous prime is 47720204808371. The next prime is 47720204808457. The reversal of 47720204808387 is 78380840202774.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47720204808387 - 24 = 47720204808371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47720204808387.

It is not an unprimeable number, because it can be changed into a prime (47720204803387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6030262 + ... + 11480612.

It is an arithmetic number, because the mean of its divisors is an integer number (7953371652480).

Almost surely, 247720204808387 is an apocalyptic number.

47720204808387 is a deficient number, since it is larger than the sum of its proper divisors (15906768411453).

47720204808387 is a wasteful number, since it uses less digits than its factorization.

47720204808387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8368833.

The product of its (nonzero) digits is 33718272, while the sum is 60.

The spelling of 47720204808387 in words is "forty-seven trillion, seven hundred twenty billion, two hundred four million, eight hundred eight thousand, three hundred eighty-seven".

Divisors: 1 3 2918479 5450351 8755437 16351053 15906734936129 47720204808387