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10020201243 = 313256928237
BaseRepresentation
bin10010101010100000…
…00010001100011011
3221212022202222000120
421111100002030123
5131010132414433
64334143404323
7503211206463
oct112520021433
927768688016
1010020201243
114282162558
121b378b36a3
13c38c41380
146b0b00ba3
153d9a4d7b3
hex25540231b

10020201243 has 8 divisors (see below), whose sum is σ = 14387981328. Its totient is φ = 6166277664.

The previous prime is 10020201241. The next prime is 10020201283. The reversal of 10020201243 is 34210202001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10020201243 - 21 = 10020201241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10020201241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128464080 + ... + 128464157.

It is an arithmetic number, because the mean of its divisors is an integer number (1798497666).

Almost surely, 210020201243 is an apocalyptic number.

10020201243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10020201243 is a deficient number, since it is larger than the sum of its proper divisors (4367780085).

10020201243 is a wasteful number, since it uses less digits than its factorization.

10020201243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256928253.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10020201243 its reverse (34210202001), we get a palindrome (44230403244).

The spelling of 10020201243 in words is "ten billion, twenty million, two hundred one thousand, two hundred forty-three".

Divisors: 1 3 13 39 256928237 770784711 3340067081 10020201243