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47207620386487 = 1159173420456731
BaseRepresentation
bin10101011101111011000010…
…11100011001111010110111
320012011000010020021102020201
422232331201130121322313
522141422201304331422
6244222514215141331
712641431561345201
oct1256754134317267
9205130106242221
1047207620386487
111405070400a790
1253651a0674847
132045875c01092
14b92c0a8c1771
1556cea28a2727
hex2aef61719eb7

47207620386487 has 16 divisors (see below), whose sum is σ = 52674819384960. Its totient is φ = 41944763384800.

The previous prime is 47207620386467. The next prime is 47207620386517. The reversal of 47207620386487 is 78468302670274.

It is a cyclic number.

It is not a de Polignac number, because 47207620386487 - 27 = 47207620386359 is a prime.

It is a super-2 number, since 2×472076203864872 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47207620386467) 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, 210116089 + ... + 210340642.

It is an arithmetic number, because the mean of its divisors is an integer number (3292176211560).

Almost surely, 247207620386487 is an apocalyptic number.

47207620386487 is a deficient number, since it is larger than the sum of its proper divisors (5467198998473).

47207620386487 is a wasteful number, since it uses less digits than its factorization.

47207620386487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420456974.

The product of its (nonzero) digits is 151732224, while the sum is 64.

The spelling of 47207620386487 in words is "forty-seven trillion, two hundred seven billion, six hundred twenty million, three hundred eighty-six thousand, four hundred eighty-seven".

Divisors: 1 11 59 173 649 1903 10207 112277 420456731 4625024041 24806947129 72739014463 272876418419 800129159093 4291601853317 47207620386487