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47042481651 = 31117372266343
BaseRepresentation
bin101011110011111100…
…110100110111110011
311111102110201200011020
4223303330310313303
51232320333403101
633335551350523
73253520332164
oct536374646763
9144373650136
1047042481651
1118a50288810
12914a522443
134589110779
1423c3a2576b
151354de3136
hexaf3f34df3

47042481651 has 32 divisors (see below), whose sum is σ = 74408606208. Its totient is φ = 26108259840.

The previous prime is 47042481649. The next prime is 47042481671. The reversal of 47042481651 is 15618424074.

It is not a de Polignac number, because 47042481651 - 21 = 47042481649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47042481671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1112415 + ... + 1153928.

It is an arithmetic number, because the mean of its divisors is an integer number (2325268944).

Almost surely, 247042481651 is an apocalyptic number.

47042481651 is a deficient number, since it is larger than the sum of its proper divisors (27366124557).

47042481651 is a wasteful number, since it uses less digits than its factorization.

47042481651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266411.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 47042481651 in words is "forty-seven billion, forty-two million, four hundred eighty-one thousand, six hundred fifty-one".

Divisors: 1 3 11 17 33 37 51 111 187 407 561 629 1221 1887 6919 20757 2266343 6799029 24929773 38527831 74789319 83854691 115583493 251564073 423806141 922401601 1271418423 1425529747 2767204803 4276589241 15680827217 47042481651