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47990187716 = 2211997546929
BaseRepresentation
bin101100101100011100…
…000010011011000100
311120212112000010110212
4230230130002123010
51241240442001331
634014004134552
73316145602502
oct545434023304
9146775003425
1047990187716
1119397234369
129373997458
1346aa56b3a3
14247383d672
1513ad1e4d2b
hexb2c7026c4

47990187716 has 6 divisors (see below), whose sum is σ = 83982828510. Its totient is φ = 23995093856.

The previous prime is 47990187709. The next prime is 47990187719. The reversal of 47990187716 is 61778109974.

It can be written as a sum of positive squares in only one way, i.e., 24116847616 + 23873340100 = 155296^2 + 154510^2 .

It is not an unprimeable number, because it can be changed into a prime (47990187719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5998773461 + ... + 5998773468.

It is an arithmetic number, because the mean of its divisors is an integer number (13997138085).

Almost surely, 247990187716 is an apocalyptic number.

It is an amenable number.

47990187716 is a deficient number, since it is larger than the sum of its proper divisors (35992640794).

47990187716 is a wasteful number, since it uses less digits than its factorization.

47990187716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11997546933 (or 11997546931 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 59.

The spelling of 47990187716 in words is "forty-seven billion, nine hundred ninety million, one hundred eighty-seven thousand, seven hundred sixteen".

Divisors: 1 2 4 11997546929 23995093858 47990187716