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50990953232025 = 3252432110712
BaseRepresentation
bin10111001100000010000011…
…01001110111011010011001
320200112200120012111021000100
423212001001221313122121
523140413433011411100
6300240530500130013
713511655233052252
oct1346010151673231
9220480505437010
1050990953232025
111527a16184a334
12587647b096909
13225b570645271
14c83d92343b29
155d65d205c400
hex2e6041a77699

50990953232025 has 81 divisors (see below), whose sum is σ = 93512268267327. Its totient is φ = 26560329818400.

The previous prime is 50990953231963. The next prime is 50990953232081. The reversal of 50990953232025 is 52023235909905.

The square root of 50990953232025 is 7140795.

It is a perfect power (a square), and thus also a powerful number.

50990953232025 is a `hidden beast` number, since 50 + 9 + 9 + 0 + 9 + 532 + 32 + 0 + 25 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18356743163529 + 32634210068496 = 4284477^2 + 5712636^2 .

It is not a de Polignac number, because 50990953232025 - 223 = 50990944843417 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 4605807240 + ... + 4605818310.

Almost surely, 250990953232025 is an apocalyptic number.

50990953232025 is the 7140795-th square number.

50990953232025 is the 3570398-th centered octagonal number.

It is an amenable number.

50990953232025 is a deficient number, since it is larger than the sum of its proper divisors (42521315035302).

50990953232025 is an frugal number, since it uses more digits than its factorization.

50990953232025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22244 (or 11122 counting only the distinct ones).

The product of its (nonzero) digits is 6561000, while the sum is 54.

The spelling of 50990953232025 in words is "fifty trillion, nine hundred ninety billion, nine hundred fifty-three million, two hundred thirty-two thousand, twenty-five".

Divisors: 1 3 5 9 15 25 43 45 75 129 215 225 387 645 1075 1849 1935 3225 5547 9245 9675 11071 16641 27735 33213 46225 55355 83205 99639 138675 166065 276775 416025 476053 498195 830325 1428159 2380265 2490975 4284477 7140795 11901325 20470279 21422385 35703975 61410837 102351395 107111925 122567041 184232511 307054185 367701123 511756975 612835205 921162555 1103103369 1535270925 1838505615 3064176025 4605812775 5270382763 5515516845 9192528075 15811148289 26351913815 27577584225 47433444867 79055741445 131759569075 226626458809 237167224335 395278707225 679879376427 1133132294045 1185836121675 2039638129281 3399396882135 5665661470225 10198190646405 16996984410675 50990953232025