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50538387044 = 2297491295989
BaseRepresentation
bin101111000100010100…
…101001011001100100
311211110002220001210202
4233010110221121210
51312000311341134
635114513010032
73436250126165
oct570424513144
9154402801722
1050538387044
111a484669222
129965253918
1349c5475442
14263603976c
1514abc91d7e
hexbc4529664

50538387044 has 12 divisors (see below), whose sum is σ = 88451317500. Its totient is φ = 25266582048.

The previous prime is 50538387037. The next prime is 50538387047. The reversal of 50538387044 is 44078383505.

It can be written as a sum of positive squares in 2 ways, for example, as 8003449444 + 42534937600 = 89462^2 + 206240^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50538387044.

It is not an unprimeable number, because it can be changed into a prime (50538387047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608999 + ... + 686990.

It is an arithmetic number, because the mean of its divisors is an integer number (7370943125).

Almost surely, 250538387044 is an apocalyptic number.

It is an amenable number.

50538387044 is a deficient number, since it is larger than the sum of its proper divisors (37912930456).

50538387044 is a wasteful number, since it uses less digits than its factorization.

50538387044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305742 (or 1305740 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 50538387044 in words is "fifty billion, five hundred thirty-eight million, three hundred eighty-seven thousand, forty-four".

Divisors: 1 2 4 9749 19498 38996 1295989 2591978 5183956 12634596761 25269193522 50538387044