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73838881242 = 23271314473457
BaseRepresentation
bin100010011000100100…
…0111110100111011010
321001120221212210221100
41010301020332213122
52202210223144432
653530543252230
75222540064150
oct1046110764732
9231527783840
1073838881242
112935113a3a5
12123885aa076
136c69876309
1438067c93d0
151dc265c07c
hex113123e9da

73838881242 has 48 divisors (see below), whose sum is σ = 184234894272. Its totient is φ = 20935774080.

The previous prime is 73838881241. The next prime is 73838881279. The reversal of 73838881242 is 24218883837.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (73838881241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2220223 + ... + 2253234.

It is an arithmetic number, because the mean of its divisors is an integer number (3838226964).

Almost surely, 273838881242 is an apocalyptic number.

73838881242 is an abundant number, since it is smaller than the sum of its proper divisors (110396013030).

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

73838881242 is a wasteful number, since it uses less digits than its factorization.

73838881242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473603 (or 4473600 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 54.

The spelling of 73838881242 in words is "seventy-three billion, eight hundred thirty-eight million, eight hundred eighty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 131 262 393 786 917 1179 1834 2358 2751 5502 8253 16506 4473457 8946914 13420371 26840742 31314199 40261113 62628398 80522226 93942597 187885194 281827791 563655582 586022867 1172045734 1758068601 3516137202 4102160069 5274205803 8204320138 10548411606 12306480207 24612960414 36919440621 73838881242