Search a number
-
+
50438855061 = 33722292727
BaseRepresentation
bin101110111110011000…
…111101100110010101
311211012011121022121000
4232332120331212111
51311244321330221
635100555413513
73433631123400
oct567630754625
9154164538530
1050438855061
111a433467391
129937a54299
1349aa96698a
142626b2ad37
1514a3180e26
hexbbe63d995

50438855061 has 72 divisors (see below), whose sum is σ = 87425432640. Its totient is φ = 28656869472.

The previous prime is 50438855023. The next prime is 50438855087. The reversal of 50438855061 is 16055883405.

50438855061 is a `hidden beast` number, since 5 + 0 + 4 + 38 + 8 + 550 + 61 = 666.

It is not a de Polignac number, because 50438855061 - 211 = 50438853013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50438854998 and 50438855016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50438855011) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 69379080 + ... + 69379806.

It is an arithmetic number, because the mean of its divisors is an integer number (1214242120).

Almost surely, 250438855061 is an apocalyptic number.

It is an amenable number.

50438855061 is a deficient number, since it is larger than the sum of its proper divisors (36986577579).

50438855061 is an equidigital number, since it uses as much as digits as its factorization.

50438855061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 50438855061 in words is "fifty billion, four hundred thirty-eight million, eight hundred fifty-five thousand, sixty-one".

Divisors: 1 3 7 9 21 27 49 63 147 189 229 441 687 727 1323 1603 2061 2181 4809 5089 6183 6543 11221 14427 15267 19629 33663 35623 43281 45801 52441 100989 106869 137403 157323 166483 302967 320607 367087 471969 499449 961821 1101261 1165381 1415907 1498347 2569609 3303783 3496143 4495041 7708827 8157667 9911349 10488429 23126481 24473001 31465287 38124607 69379443 73419003 114373821 220257009 266872249 343121463 800616747 1029364389 1868105743 2401850241 5604317229 7205550723 16812951687 50438855061