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20647150460306 = 2173271220198691
BaseRepresentation
bin1001011000111010010100…
…00100011001110110010010
32201002211220102020010011122
410230131022010121312102
510201240331004212211
6111525100414242242
74230464431124516
oct454351204316622
981084812203148
1020647150460306
11664045318a2a7
122395680ab6382
13b6a030529ca6
145154825d4146
1525c12e3256db
hex12c74a119d92

20647150460306 has 16 divisors (see below), whose sum is σ = 31264691084928. Its totient is φ = 10226027163600.

The previous prime is 20647150460257. The next prime is 20647150460311. The reversal of 20647150460306 is 60306405174602.

It is a super-2 number, since 2×206471504603062 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110005580 + ... + 110193111.

It is an arithmetic number, because the mean of its divisors is an integer number (1954043192808).

Almost surely, 220647150460306 is an apocalyptic number.

20647150460306 is a deficient number, since it is larger than the sum of its proper divisors (10617540624622).

20647150460306 is a wasteful number, since it uses less digits than its factorization.

20647150460306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220199137.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 20647150460306 in words is "twenty trillion, six hundred forty-seven billion, one hundred fifty million, four hundred sixty thousand, three hundred six".

Divisors: 1 2 173 271 346 542 46883 93766 220198691 440397382 38094373543 59673845261 76188747086 119347690522 10323575230153 20647150460306