Search a number
-
+
80306958802225 = 52432416812
BaseRepresentation
bin10010010000100111101011…
…110000001001110100110001
3101112100021022000222211102211
4102100213223300021310301
541011222122423132400
6442444301345012121
722625662205645101
oct2220475360116461
9345307260884384
1080306958802225
1123651a98711561
12901003a024041
1335a6bb55a0c7c
1415b8c3ddab201
15943e7cec4dba
hex4909ebc09d31

80306958802225 has 27 divisors (see below), whose sum is σ = 101952759997569. Its totient is φ = 62749978569600.

The previous prime is 80306958802219. The next prime is 80306958802249. The reversal of 80306958802225 is 52220885960308.

The square root of 80306958802225 is 8961415.

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

It can be written as a sum of positive squares in 4 ways, for example, as 4504373767201 + 75802585035024 = 2122351^2 + 8706468^2 .

It is a de Polignac number, because none of the positive numbers 2k-80306958802225 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80306958802225.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1926683385 + ... + 1926725065.

Almost surely, 280306958802225 is an apocalyptic number.

80306958802225 is the 8961415-th square number.

80306958802225 is the 4480708-th centered octagonal number.

It is an amenable number.

80306958802225 is a deficient number, since it is larger than the sum of its proper divisors (21645801195344).

80306958802225 is an frugal number, since it uses more digits than its factorization.

80306958802225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83458 (or 41729 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 58.

The spelling of 80306958802225 in words is "eighty trillion, three hundred six billion, nine hundred fifty-eight million, eight hundred two thousand, two hundred twenty-five".

Divisors: 1 5 25 43 215 1075 1849 9245 41681 46225 208405 1042025 1792283 8961415 44807075 77068169 385340845 1737305761 1926704225 8686528805 43432644025 74704147723 373520738615 1867603693075 3212278352089 16061391760445 80306958802225