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47887344660 = 22351518752553
BaseRepresentation
bin101100100110010011…
…101110010000010100
311120121100111011022210
4230212103232100110
51241033130012120
633555451553420
73313456466511
oct544623562024
9146540434283
1047887344660
1119344180901
12934545b870
1346921707cc
142463d0c308
1513a417cce0
hexb264ee414

47887344660 has 48 divisors (see below), whose sum is σ = 134095945536. Its totient is φ = 12768874752.

The previous prime is 47887344623. The next prime is 47887344671. The reversal of 47887344660 is 6644378874.

It is a self number, because there is not a number n which added to its sum of digits gives 47887344660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884944 + ... + 937496.

It is an arithmetic number, because the mean of its divisors is an integer number (2793665532).

Almost surely, 247887344660 is an apocalyptic number.

It is an amenable number.

47887344660 is an abundant number, since it is smaller than the sum of its proper divisors (86208600876).

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

47887344660 is a wasteful number, since it uses less digits than its factorization.

47887344660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67752 (or 67750 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 57.

The spelling of 47887344660 in words is "forty-seven billion, eight hundred eighty-seven million, three hundred forty-four thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 15187 30374 45561 52553 60748 75935 91122 105106 151870 157659 182244 210212 227805 262765 303740 315318 455610 525530 630636 788295 911220 1051060 1576590 3153180 798122411 1596244822 2394367233 3192489644 3990612055 4788734466 7981224110 9577468932 11971836165 15962448220 23943672330 47887344660