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1293037630 = 25129303763
BaseRepresentation
bin100110100010010…
…0011000000111110
310100010002010011121
41031010203000332
510122004201010
6332150141154
744020432003
oct11504430076
93303063147
101293037630
11603982345
123010517ba
13177b6ac31
14c3a2b8aa
15787b73da
hex4d12303e

1293037630 has 8 divisors (see below), whose sum is σ = 2327467752. Its totient is φ = 517215048.

The previous prime is 1293037619. The next prime is 1293037637. The reversal of 1293037630 is 367303921.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293037637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64651872 + ... + 64651891.

It is an arithmetic number, because the mean of its divisors is an integer number (290933469).

Almost surely, 21293037630 is an apocalyptic number.

1293037630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1293037630 is a deficient number, since it is larger than the sum of its proper divisors (1034430122).

1293037630 is a wasteful number, since it uses less digits than its factorization.

1293037630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129303770.

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 1293037630 is about 35958.8324337707. The cubic root of 1293037630 is about 1089.4410146215.

The spelling of 1293037630 in words is "one billion, two hundred ninety-three million, thirty-seven thousand, six hundred thirty".

Divisors: 1 2 5 10 129303763 258607526 646518815 1293037630