Search a number
-
+
165020050207020 = 22352750334170117
BaseRepresentation
bin100101100001010110111001…
…011110010011000100101100
3210122021202121000211020000010
4211201112321132103010230
5133112142030323111040
61342545055311133220
746521206452036161
oct4541267136230454
9718252530736003
10165020050207020
1148642679307068
1216611ba8b14210
1371104299919c8
142ca7027b26068
15141283be2ae80
hex9615b979312c

165020050207020 has 24 divisors (see below), whose sum is σ = 462056140579824. Its totient is φ = 44005346721856.

The previous prime is 165020050207013. The next prime is 165020050207069. The reversal of 165020050207020 is 20702050020561.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375167084999 + ... + 1375167085118.

It is an arithmetic number, because the mean of its divisors is an integer number (19252339190826).

Almost surely, 2165020050207020 is an apocalyptic number.

165020050207020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165020050207020 is an abundant number, since it is smaller than the sum of its proper divisors (297036090372804).

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

165020050207020 is a wasteful number, since it uses less digits than its factorization.

165020050207020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750334170129 (or 2750334170127 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 165020050207020 in words is "one hundred sixty-five trillion, twenty billion, fifty million, two hundred seven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2750334170117 5500668340234 8251002510351 11001336680468 13751670850585 16502005020702 27503341701170 33004010041404 41255012551755 55006683402340 82510025103510 165020050207020