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620378241546068 = 2217113530315224659
BaseRepresentation
bin1000110100001110110001000…
…0101101101011011101010100
310000100120120200022120001210122
42031003230100231223131110
51122303234114313433233
610035233455115411112
7244446564104346245
oct21503542055533524
93010516608501718
10620378241546068
1116a742a31141945
12596b5561a53a98
132082155664c485
14ad2a677a26ccc
154bac6dd632d98
hex2343b10b6b754

620378241546068 has 48 divisors (see below), whose sum is σ = 1159915934136960. Its totient is φ = 289304553990144.

The previous prime is 620378241546053. The next prime is 620378241546071. The reversal of 620378241546068 is 860645142873026.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 620378241546068.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33135923 + ... + 48360581.

It is an arithmetic number, because the mean of its divisors is an integer number (24164915294520).

Almost surely, 2620378241546068 is an apocalyptic number.

620378241546068 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

620378241546068 is a deficient number, since it is larger than the sum of its proper divisors (539537692590892).

620378241546068 is a wasteful number, since it uses less digits than its factorization.

620378241546068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15230096 (or 15230094 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 62.

The spelling of 620378241546068 in words is "six hundred twenty trillion, three hundred seventy-eight billion, two hundred forty-one million, five hundred forty-six thousand, sixty-eight".

Divisors: 1 2 4 17 34 68 113 226 452 1921 3842 5303 7684 10606 21212 90151 180302 360604 599239 1198478 2396956 10187063 15224659 20374126 30449318 40748252 60898636 258819203 517638406 1035276812 1720386467 3440772934 6881545868 29246569939 58493139878 80736366677 116986279756 161472733354 322945466708 1372518233509 2745036467018 5490072934036 9123209434501 18246418869002 36492837738004 155094560386517 310189120773034 620378241546068