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51283838822892 = 223133724391364271
BaseRepresentation
bin10111010100100011100101…
…11111101110100111101100
320201120200112220101212010220
423222101302333232213230
523210213300214313032
6301023245330531340
713542064222361214
oct1352216277564754
9221520486355126
1051283838822892
1115382399059765
125903199a36b50
132280078550a10
14c94218667244
155de024d5312c
hex2ea472fee9ec

51283838822892 has 96 divisors (see below), whose sum is σ = 132355765807104. Its totient is φ = 15352494278400.

The previous prime is 51283838822849. The next prime is 51283838822903. The reversal of 51283838822892 is 29822883838215.

It is a super-2 number, since 2×512838388228922 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140602717 + ... + 140966987.

It is an arithmetic number, because the mean of its divisors is an integer number (1378705893824).

Almost surely, 251283838822892 is an apocalyptic number.

51283838822892 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51283838822892 is an abundant number, since it is smaller than the sum of its proper divisors (81071926984212).

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

51283838822892 is a wasteful number, since it uses less digits than its factorization.

51283838822892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388719 (or 388717 counting only the distinct ones).

The product of its digits is 212336640, while the sum is 69.

The spelling of 51283838822892 in words is "fifty-one trillion, two hundred eighty-three billion, eight hundred thirty-eight million, eight hundred twenty-two thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 13 26 37 39 52 74 78 111 148 156 222 444 481 962 1443 1924 2886 5772 24391 48782 73173 97564 146346 292692 317083 364271 634166 728542 902467 951249 1092813 1268332 1457084 1804934 1902498 2185626 2707401 3609868 3804996 4371252 4735523 5414802 9471046 10829604 11732071 13478027 14206569 18942092 23464142 26956054 28413138 35196213 40434081 46928284 53912108 56826276 70392426 80868162 140784852 161736324 175214351 350428702 525643053 700857404 1051286106 2102572212 8884933961 17769867922 26654801883 35539735844 53309603766 106619207532 115504141493 231008282986 328742556557 346512424479 462016565972 657485113114 693024848958 986227669671 1314970226228 1386049697916 1972455339342 3944910678684 4273653235241 8547306470482 12820959705723 17094612940964 25641919411446 51283838822892