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50640236515050 = 23527133709907437
BaseRepresentation
bin10111000001110100110010…
…10011110000111011101010
320122022011022011010001210020
423200322121103300323222
523114142201021440200
6255411445315501310
713444431161126160
oct1340723123607352
9218264264101706
1050640236515050
1115154449362a06
12581a5008b7836
13223447a433570
14c71001625230
155cc407132ea0
hex2e0e994f0eea

50640236515050 has 96 divisors (see below), whose sum is σ = 154569583496832. Its totient is φ = 10684533415680.

The previous prime is 50640236515019. The next prime is 50640236515067. The reversal of 50640236515050 is 5051563204605.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 50640236514993 and 50640236515011.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1854940069 + ... + 1854967368.

It is an arithmetic number, because the mean of its divisors is an integer number (1610099828092).

Almost surely, 250640236515050 is an apocalyptic number.

50640236515050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50640236515050 is an abundant number, since it is smaller than the sum of its proper divisors (103929346981782).

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

50640236515050 is a wasteful number, since it uses less digits than its factorization.

50640236515050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709907472 (or 3709907467 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

Adding to 50640236515050 its reverse (5051563204605), we get a palindrome (55691799719655).

The spelling of 50640236515050 in words is "fifty trillion, six hundred forty billion, two hundred thirty-six million, five hundred fifteen thousand, fifty".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 25 26 30 35 39 42 50 65 70 75 78 91 105 130 150 175 182 195 210 273 325 350 390 455 525 546 650 910 975 1050 1365 1950 2275 2730 4550 6825 13650 3709907437 7419814874 11129722311 18549537185 22259444622 25969352059 37099074370 48228796681 51938704118 55648611555 77908056177 92747685925 96457593362 111297223110 129846760295 144686390043 155816112354 185495371850 241143983405 259693520590 278243057775 289372780086 337601576767 389540280885 482287966810 556486115550 649233801475 675203153534 723431950215 779080561770 1012804730301 1205719917025 1298467602950 1446863900430 1688007883835 1947701404425 2025609460602 2411439834050 3376015767670 3617159751075 3895402808850 5064023651505 7234319502150 8440039419175 10128047303010 16880078838350 25320118257525 50640236515050