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47213756736356 = 2272240886513961
BaseRepresentation
bin10101011110000110011110…
…01100101110001101100100
320012011120221212220021210002
422233003033030232031210
522142022233211030411
6244225411142320432
712642036622432100
oct1257031714561544
9205146855807702
1047213756736356
11140532728aa211
125366413729118
1320463132c9932
14b9322d864900
1556d21147033b
hex2af0cf32e364

47213756736356 has 18 divisors (see below), whose sum is σ = 96113719070838. Its totient is φ = 20234467172640.

The previous prime is 47213756736353. The next prime is 47213756736383. The reversal of 47213756736356 is 65363765731274.

It can be written as a sum of positive squares in only one way, i.e., 32543830278400 + 14669926457956 = 5704720^2 + 3830134^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47213756736292 and 47213756736301.

It is not an unprimeable number, because it can be changed into a prime (47213756736353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120443256785 + ... + 120443257176.

It is an arithmetic number, because the mean of its divisors is an integer number (5339651059491).

Almost surely, 247213756736356 is an apocalyptic number.

It is an amenable number.

47213756736356 is an abundant number, since it is smaller than the sum of its proper divisors (48899962334482).

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

47213756736356 is a wasteful number, since it uses less digits than its factorization.

47213756736356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240886513979 (or 240886513970 counting only the distinct ones).

The product of its digits is 400075200, while the sum is 65.

The spelling of 47213756736356 in words is "forty-seven trillion, two hundred thirteen billion, seven hundred fifty-six million, seven hundred thirty-six thousand, three hundred fifty-six".

Divisors: 1 2 4 7 14 28 49 98 196 240886513961 481773027922 963546055844 1686205597727 3372411195454 6744822390908 11803439184089 23606878368178 47213756736356