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1530711709 = 23533973163
BaseRepresentation
bin101101100111100…
…1100111010011101
310221200022012201021
41123033030322131
511113330233314
6411520244141
752634556232
oct13317147235
93850265637
101530711709
117160573aa
12368770651
131b5186197
14107419789
158e5b4324
hex5b3cce9d

1530711709 has 16 divisors (see below), whose sum is σ = 1632016512. Its totient is φ = 1432461888.

The previous prime is 1530711659. The next prime is 1530711803. The reversal of 1530711709 is 9071170351.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1530711709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530712709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482362 + ... + 485524.

It is an arithmetic number, because the mean of its divisors is an integer number (102001032).

Almost surely, 21530711709 is an apocalyptic number.

It is an amenable number.

1530711709 is a deficient number, since it is larger than the sum of its proper divisors (101304803).

1530711709 is a wasteful number, since it uses less digits than its factorization.

1530711709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636.

The product of its (nonzero) digits is 6615, while the sum is 34.

The square root of 1530711709 is about 39124.3109715686. The cubic root of 1530711709 is about 1152.4739956144.

The spelling of 1530711709 in words is "one billion, five hundred thirty million, seven hundred eleven thousand, seven hundred nine".

Divisors: 1 23 53 397 1219 3163 9131 21041 72749 167639 483943 1255711 3855697 28881353 66552683 1530711709