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50000681332 = 22723738272
BaseRepresentation
bin101110100100010001…
…011101100101110100
311210001122002210020101
4232210101131211310
51304400133300312
634545304043444
73420030531100
oct564421354564
9153048083211
1050000681332
111a229098a38
129835163584
13493ac4ab94
1425c486a900
15147997ba57
hexba445d974

50000681332 has 54 divisors (see below), whose sum is σ = 102183548082. Its totient is φ = 21345571296.

The previous prime is 50000681329. The next prime is 50000681347. The reversal of 50000681332 is 23318600005.

50000681332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 43432227216 + 6568454116 = 208404^2 + 81046^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 50000681332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 60459903 + ... + 60460729.

Almost surely, 250000681332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50000681332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51091774041).

50000681332 is an abundant number, since it is smaller than the sum of its proper divisors (52182866750).

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

50000681332 is an equidigital number, since it uses as much as digits as its factorization.

50000681332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 50000681332 in words is "fifty billion, six hundred eighty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 49 98 196 373 746 827 1492 1654 2611 3308 5222 5789 10444 11578 18277 23156 36554 40523 73108 81046 162092 308471 616942 683929 1233884 1367858 2159297 2735716 4318594 4787503 8637188 9575006 15115079 19150012 30230158 33512521 60460316 67025042 134050084 255105517 510211034 1020422068 1785738619 3571477238 7142954476 12500170333 25000340666 50000681332