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42724212430 = 254272421243
BaseRepresentation
bin100111110010100011…
…111011111011001110
311002021112010212102011
4213302203323323032
51144444344244210
631343252051434
73041513546044
oct476243737316
9132245125364
1042724212430
1117134782179
128344303b7a
13404b595893
1420d4304394
1511a0c50d8a
hex9f28fbece

42724212430 has 8 divisors (see below), whose sum is σ = 76903582392. Its totient is φ = 17089684968.

The previous prime is 42724212407. The next prime is 42724212457. The reversal of 42724212430 is 3421242724.

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

It is a junction number, because it is equal to n+sod(n) for n = 42724212392 and 42724212401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2136210612 + ... + 2136210631.

It is an arithmetic number, because the mean of its divisors is an integer number (9612947799).

Almost surely, 242724212430 is an apocalyptic number.

42724212430 is a deficient number, since it is larger than the sum of its proper divisors (34179369962).

42724212430 is a wasteful number, since it uses less digits than its factorization.

42724212430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272421250.

The product of its (nonzero) digits is 21504, while the sum is 31.

The spelling of 42724212430 in words is "forty-two billion, seven hundred twenty-four million, two hundred twelve thousand, four hundred thirty".

Divisors: 1 2 5 10 4272421243 8544842486 21362106215 42724212430