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24997304942 = 212498652471
BaseRepresentation
bin10111010001111101…
…001001101001101110
32101112002211122212222
4113101331021221232
5402143302224232
615252242555342
71543312405031
oct272175115156
971462748788
1024997304942
11a668366205
124a17668b52
132484b018cc
1412d1c85018
159b483dd12
hex5d1f49a6e

24997304942 has 4 divisors (see below), whose sum is σ = 37495957416. Its totient is φ = 12498652470.

The previous prime is 24997304933. The next prime is 24997304947. The reversal of 24997304942 is 24940379942.

It is a semiprime because it is the product of two primes.

It is a super-4 number, since 4×249973049424 (a number of 43 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24997304947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6249326234 + ... + 6249326237.

It is an arithmetic number, because the mean of its divisors is an integer number (9373989354).

Almost surely, 224997304942 is an apocalyptic number.

24997304942 is a deficient number, since it is larger than the sum of its proper divisors (12498652474).

24997304942 is a wasteful number, since it uses less digits than its factorization.

24997304942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12498652473.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 24997304942 in words is "twenty-four billion, nine hundred ninety-seven million, three hundred four thousand, nine hundred forty-two".

Divisors: 1 2 12498652471 24997304942