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42623356245 = 3529617920333
BaseRepresentation
bin100111101100100011…
…001100110101010101
311002000111100211201220
4213230203030311111
51144243034344440
631325250240553
73036150356511
oct475443146525
9132014324656
1042623356245
1117092856458
128316586159
134033712472
1420c4b6d141
151196e7c8d0
hex9ec8ccd55

42623356245 has 64 divisors (see below), whose sum is σ = 72616780800. Its totient is φ = 21314442240.

The previous prime is 42623356213. The next prime is 42623356247. The reversal of 42623356245 is 54265332624.

It is not a de Polignac number, because 42623356245 - 25 = 42623356213 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42623356197 and 42623356206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42623356247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2086099 + ... + 2106431.

It is an arithmetic number, because the mean of its divisors is an integer number (1134637200).

Almost surely, 242623356245 is an apocalyptic number.

It is an amenable number.

42623356245 is a deficient number, since it is larger than the sum of its proper divisors (29993424555).

42623356245 is a wasteful number, since it uses less digits than its factorization.

42623356245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20510.

The product of its digits is 1036800, while the sum is 42.

Adding to 42623356245 its reverse (54265332624), we get a palindrome (96888688869).

The spelling of 42623356245 in words is "forty-two billion, six hundred twenty-three million, three hundred fifty-six thousand, two hundred forty-five".

Divisors: 1 3 5 15 29 61 79 87 145 183 237 305 395 435 915 1185 1769 2291 4819 5307 6873 8845 11455 14457 20333 24095 26535 34365 60999 72285 101665 139751 304995 419253 589657 698755 1240313 1606307 1768971 2096265 2948285 3720939 4818921 6201565 8031535 8844855 18604695 24094605 35969077 46582903 97984727 107907231 139748709 179845385 232914515 293954181 489923635 539536155 698743545 1469770905 2841557083 8524671249 14207785415 42623356245