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49887195228 = 2232137310191433
BaseRepresentation
bin101110011101100000…
…100011000001011100
311202202201120002120100
4232131200203001130
51304132110221403
634530131421100
73414152106603
oct563540430134
9152681502510
1049887195228
111a180026172
129803154790
134920594b40
1425b3768a3a
15146ea112a3
hexb9d82305c

49887195228 has 144 divisors (see below), whose sum is σ = 137895619680. Its totient is φ = 15114221568.

The previous prime is 49887195227. The next prime is 49887195251. The reversal of 49887195228 is 82259178894.

49887195228 is a `hidden beast` number, since 4 + 98 + 8 + 7 + 19 + 522 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49887195223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34812400 + ... + 34813832.

It is an arithmetic number, because the mean of its divisors is an integer number (957608470).

Almost surely, 249887195228 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 49887195228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68947809840).

49887195228 is an abundant number, since it is smaller than the sum of its proper divisors (88008424452).

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

49887195228 is a wasteful number, since it uses less digits than its factorization.

49887195228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548 (or 2543 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 63.

The spelling of 49887195228 in words is "forty-nine billion, eight hundred eighty-seven million, one hundred ninety-five thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 73 78 117 146 156 219 234 292 438 468 657 876 949 1019 1314 1433 1898 2038 2628 2847 2866 3057 3796 4076 4299 5694 5732 6114 8541 8598 9171 11388 12228 12897 13247 17082 17196 18342 18629 25794 26494 34164 36684 37258 39741 51588 52988 55887 74387 74516 79482 104609 111774 119223 148774 158964 167661 209218 223161 223548 238446 297548 313827 335322 418436 446322 476892 627654 669483 670644 892644 941481 967031 1255308 1338966 1359917 1460227 1882962 1934062 2677932 2719834 2901093 2920454 3765924 3868124 4079751 4380681 5439668 5802186 5840908 8159502 8703279 8761362 11604372 12239253 13142043 16319004 17406558 17522724 18982951 24478506 26284086 34813116 37965902 48957012 52568172 56948853 75931804 106596571 113897706 170846559 213193142 227795412 319789713 341693118 426386284 639579426 683386236 959369139 1279158852 1385755423 1918738278 2771510846 3837476556 4157266269 5543021692 8314532538 12471798807 16629065076 24943597614 49887195228