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7971048634 = 229137431873
BaseRepresentation
bin1110110110001110…
…01000110010111010
3202120111221020002111
413123013020302322
5112311042024014
63354543122534
7401346536563
oct73307106272
922514836074
107971048634
1134204a38aa
1216655a344a
139a0547533
145588cd16a
15319bcc2c4
hex1db1c8cba

7971048634 has 8 divisors (see below), whose sum is σ = 12368868660. Its totient is φ = 3848092416.

The previous prime is 7971048629. The next prime is 7971048641. The reversal of 7971048634 is 4368401797.

It can be written as a sum of positive squares in 2 ways, for example, as 7966098009 + 4950625 = 89253^2 + 2225^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68715879 + ... + 68715994.

Almost surely, 27971048634 is an apocalyptic number.

7971048634 is a deficient number, since it is larger than the sum of its proper divisors (4397820026).

7971048634 is a wasteful number, since it uses less digits than its factorization.

7971048634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137431904.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 7971048634 is about 89280.7293540997. The cubic root of 7971048634 is about 1997.5844699485.

The spelling of 7971048634 in words is "seven billion, nine hundred seventy-one million, forty-eight thousand, six hundred thirty-four".

Divisors: 1 2 29 58 137431873 274863746 3985524317 7971048634