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20628197303008 = 254157601272959
BaseRepresentation
bin1001011000010111000000…
…10111110110001011100000
32201001000222112111222010211
410230023200113312023200
510200433022002144013
6111512244002303504
74226223650006251
oct454134027661340
981030875458124
1020628197303008
116633407668739
122391a71657b94
13b682cc9b0809
145145a5370b28
1525b8c044023d
hex12c2e05f62e0

20628197303008 has 48 divisors (see below), whose sum is σ = 41603168920320. Its totient is φ = 10062323712000.

The previous prime is 20628197302963. The next prime is 20628197303009. The reversal of 20628197303008 is 80030379182602.

It is a super-3 number, since 3×206281973030083 (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20628197303009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75436033 + ... + 75708991.

It is an arithmetic number, because the mean of its divisors is an integer number (866732685840).

Almost surely, 220628197303008 is an apocalyptic number.

It is an amenable number.

20628197303008 is an abundant number, since it is smaller than the sum of its proper divisors (20974971617312).

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

20628197303008 is a wasteful number, since it uses less digits than its factorization.

20628197303008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330611 (or 330603 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 20628197303008 in words is "twenty trillion, six hundred twenty-eight billion, one hundred ninety-seven million, three hundred three thousand, eight".

Divisors: 1 2 4 8 16 32 41 82 164 328 656 1312 57601 115202 230404 272959 460808 545918 921616 1091836 1843232 2183672 2361641 4367344 4723282 8734688 9446564 11191319 18893128 22382638 37786256 44765276 75572512 89530552 179061104 358122208 15722711359 31445422718 62890845436 125781690872 251563381744 503126763488 644631165719 1289262331438 2578524662876 5157049325752 10314098651504 20628197303008