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886918980004225 = 52728508912
BaseRepresentation
bin1100100110101001011110101…
…0101111110110100110000001
311022022022121220122221000010121
43021222113222233312212001
51412222240032340113400
612422152542104300241
7354546532062462400
oct31152275257664601
94268277818830117
10886918980004225
11237666255311783
1283582a0ba71681
132c0b7140a02b1c
141190317166d637
156c80be859521a
hex326a5eabf6981

886918980004225 has 27 divisors (see below), whose sum is σ = 1279336881213891. Its totient is φ = 608172300111600.

The previous prime is 886918980004177. The next prime is 886918980004333. The reversal of 886918980004225 is 522400089819688.

The square root of 886918980004225 is 29781185.

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

It can be written as a sum of positive squares in only one way, i.e., 319290832801521 + 567628147202704 = 17868711^2 + 23824948^2 .

It is not a de Polignac number, because 886918980004225 - 235 = 886884620265857 is a prime.

It is a Duffinian number.

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, 1041916030 + ... + 1042766920.

Almost surely, 2886918980004225 is an apocalyptic number.

886918980004225 is the 29781185-th square number.

886918980004225 is the 14890593-rd centered octagonal number.

It is an amenable number.

886918980004225 is a deficient number, since it is larger than the sum of its proper divisors (392417901209666).

886918980004225 is an frugal number, since it uses more digits than its factorization.

886918980004225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701806 (or 850903 counting only the distinct ones).

The product of its (nonzero) digits is 159252480, while the sum is 70.

The spelling of 886918980004225 in words is "eight hundred eighty-six trillion, nine hundred eighteen billion, nine hundred eighty million, four thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 49 175 245 1225 850891 4254455 5956237 21272275 29781185 41693659 148905925 208468295 1042341475 724015493881 3620077469405 5068108457167 18100387347025 25340542285835 35476759200169 126702711429175 177383796000845 886918980004225