Search a number
-
+
55001216601650 = 2521117232473103421
BaseRepresentation
bin11001000000101111101111…
…11110100100111000110010
321012202001202100112011021102
430200113313332210320302
524202114442422223100
6312551113213524402
714404464264214664
oct1440276776447062
9235661670464242
1055001216601650
1116585980990460
1262037301a3702
13248c791872077
14d821047a2534
15655a9409acd5
hex3205f7fa4e32

55001216601650 has 192 divisors, whose sum is σ = 123356082491136. Its totient is φ = 17998058496000.

The previous prime is 55001216601647. The next prime is 55001216601671. The reversal of 55001216601650 is 5610661210055.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 531766940 + ... + 531870360.

It is an arithmetic number, because the mean of its divisors is an integer number (642479596308).

Almost surely, 255001216601650 is an apocalyptic number.

55001216601650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55001216601650 is an abundant number, since it is smaller than the sum of its proper divisors (68354865889486).

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

55001216601650 is a wasteful number, since it uses less digits than its factorization.

55001216601650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105957 (or 105952 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 55001216601650 in words is "fifty-five trillion, one billion, two hundred sixteen million, six hundred one thousand, six hundred fifty".