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42104311242 = 237320458849
BaseRepresentation
bin100111001101100111…
…001100110111001010
311000200022200121211220
4213031213030313022
51142212200424432
631201545302510
73020245512000
oct471547146712
9130608617756
1042104311242
1116946871244
1281b0794a36
133c8001c846
142075c5aa70
15116660172c
hex9cd9ccdca

42104311242 has 32 divisors (see below), whose sum is σ = 98202480000. Its totient is φ = 12029802624.

The previous prime is 42104311241. The next prime is 42104311363. The reversal of 42104311242 is 24211340124.

It is not an unprimeable number, because it can be changed into a prime (42104311241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10227367 + ... + 10231482.

It is an arithmetic number, because the mean of its divisors is an integer number (3068827500).

Almost surely, 242104311242 is an apocalyptic number.

42104311242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42104311242 is an abundant number, since it is smaller than the sum of its proper divisors (56098168758).

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

42104311242 is a wasteful number, since it uses less digits than its factorization.

42104311242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20458875 (or 20458861 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 42104311242 its reverse (24211340124), we get a palindrome (66315651366).

The spelling of 42104311242 in words is "forty-two billion, one hundred four million, three hundred eleven thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 343 686 1029 2058 20458849 40917698 61376547 122753094 143211943 286423886 429635829 859271658 1002483601 2004967202 3007450803 6014901606 7017385207 14034770414 21052155621 42104311242