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47922047142 = 237987007857
BaseRepresentation
bin101100101000011000…
…000110100010100110
311120200202210020011220
4230220120012202212
51241121021002032
634003131441210
73314360452104
oct545030064246
9146622706156
1047922047142
1119361823342
129354bb6206
134699401018
142468782c74
1513a723512c
hexb286068a6

47922047142 has 8 divisors (see below), whose sum is σ = 95844094296. Its totient is φ = 15974015712.

The previous prime is 47922047123. The next prime is 47922047143. The reversal of 47922047142 is 24174022974.

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

47922047142 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 47922047094 and 47922047103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47922047143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3993503923 + ... + 3993503934.

It is an arithmetic number, because the mean of its divisors is an integer number (11980511787).

Almost surely, 247922047142 is an apocalyptic number.

47922047142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

47922047142 is a wasteful number, since it uses less digits than its factorization.

47922047142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7987007862.

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 47922047142 in words is "forty-seven billion, nine hundred twenty-two million, forty-seven thousand, one hundred forty-two".

Divisors: 1 2 3 6 7987007857 15974015714 23961023571 47922047142