Search a number
-
+
50381219880 = 23325352739679
BaseRepresentation
bin101110111010111101…
…000110100000101000
311211001011011010222200
4232322331012200220
51311140043014010
635051140220200
73432331205655
oct567275064050
9154034133880
1050381219880
111a403981202
12992069a660
13499ba37214
14261d206c2c
15149d098cc0
hexbbaf46828

50381219880 has 96 divisors (see below), whose sum is σ = 163789516800. Its totient is φ = 13430844288.

The previous prime is 50381219851. The next prime is 50381219887. The reversal of 50381219880 is 8891218305.

It is a happy number.

50381219880 is a `hidden beast` number, since 5 + 0 + 381 + 2 + 198 + 80 = 666.

50381219880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (50381219887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1249881 + ... + 1289559.

It is an arithmetic number, because the mean of its divisors is an integer number (1706140800).

Almost surely, 250381219880 is an apocalyptic number.

It is an amenable number.

50381219880 is an abundant number, since it is smaller than the sum of its proper divisors (113408296920).

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

50381219880 is a wasteful number, since it uses less digits than its factorization.

50381219880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43223 (or 43216 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The spelling of 50381219880 in words is "fifty billion, three hundred eighty-one million, two hundred nineteen thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 3527 7054 10581 14108 17635 21162 28216 31743 35270 39679 42324 52905 63486 70540 79358 84648 105810 119037 126972 141080 158715 158716 198395 211620 238074 253944 317430 317432 357111 396790 423240 476148 595185 634860 714222 793580 952296 1190370 1269720 1428444 1587160 1785555 2380740 2856888 3571110 4761480 7142220 14284440 139947833 279895666 419843499 559791332 699739165 839686998 1119582664 1259530497 1399478330 1679373996 2099217495 2519060994 2798956660 3358747992 4198434990 5038121988 5597913320 6297652485 8396869980 10076243976 12595304970 16793739960 25190609940 50381219880