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10203043242 = 237351169191
BaseRepresentation
bin10011000000010011…
…00001010110101010
3222100001211022002110
421200021201112222
5131343434340432
64404234343150
7510561302520
oct114011412652
928301738073
1010203043242
114366396447
121b88b8aab6
13c67a9b9c2
146cb0d8310
153eab18dcc
hex2602615aa

10203043242 has 32 divisors (see below), whose sum is σ = 23328221184. Its totient is φ = 2914282800.

The previous prime is 10203043241. The next prime is 10203043247. The reversal of 10203043242 is 24234030201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (10203043241) 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 15 ways as a sum of consecutive naturals, for example, 112867 + ... + 182057.

It is an arithmetic number, because the mean of its divisors is an integer number (729006912).

Almost surely, 210203043242 is an apocalyptic number.

10203043242 is an abundant number, since it is smaller than the sum of its proper divisors (13125177942).

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

10203043242 is a wasteful number, since it uses less digits than its factorization.

10203043242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72714.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 10203043242 its reverse (24234030201), we get a palindrome (34437073443).

The spelling of 10203043242 in words is "ten billion, two hundred three million, forty-three thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 3511 7022 10533 21066 24577 49154 69191 73731 138382 147462 207573 415146 484337 968674 1453011 2906022 242929601 485859202 728788803 1457577606 1700507207 3401014414 5101521621 10203043242