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20004310544672 = 25811971793841
BaseRepresentation
bin1001000110001100111011…
…10100101111000100100000
32121211101121210111212022102
410203012131310233010200
510110222311444412142
6110313504200025532
74133156315033336
oct443063564570440
977741553455272
1020004310544672
116412864878053
1222b0b771622a8
13b2152435599c
144d22dc92bb56
1524a5584ee532
hex12319dd2f120

20004310544672 has 48 divisors (see below), whose sum is σ = 39472707474144. Its totient is φ = 9979521408000.

The previous prime is 20004310544653. The next prime is 20004310544677. The reversal of 20004310544672 is 27644501340002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20004310544677) 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, 24802472 + ... + 25596312.

It is an arithmetic number, because the mean of its divisors is an integer number (822348072378).

Almost surely, 220004310544672 is an apocalyptic number.

It is an amenable number.

20004310544672 is a deficient number, since it is larger than the sum of its proper divisors (19468396929472).

20004310544672 is an equidigital number, since it uses as much as digits as its factorization.

20004310544672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795633 (or 795625 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

Adding to 20004310544672 its reverse (27644501340002), we get a palindrome (47648811884674).

The spelling of 20004310544672 in words is "twenty trillion, four billion, three hundred ten million, five hundred forty-four thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 32 811 971 1622 1942 3244 3884 6488 7768 12976 15536 25952 31072 787481 793841 1574962 1587682 3149924 3175364 6299848 6350728 12599696 12701456 25199392 25402912 643805051 770819611 1287610102 1541639222 2575220204 3083278444 5150440408 6166556888 10300880816 12333113776 20601761632 24666227552 625134704521 1250269409042 2500538818084 5001077636168 10002155272336 20004310544672