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1308134706 = 232310788591
BaseRepresentation
bin100110111111000…
…1000110100110010
310101011111010110120
41031332020310302
510134340302311
6333445511110
744262650544
oct11576106462
93334433416
101308134706
11611453a6a
12306112496
1317b025808
14c5a3b694
1579c9a706
hex4df88d32

1308134706 has 32 divisors (see below), whose sum is σ = 2755565568. Its totient is φ = 413183760.

The previous prime is 1308134701. The next prime is 1308134719. The reversal of 1308134706 is 6074318031.

It is a super-2 number, since 2×13081347062 = 3422432818083412872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1308134701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29530 + ... + 59061.

It is an arithmetic number, because the mean of its divisors is an integer number (86111424).

Almost surely, 21308134706 is an apocalyptic number.

1308134706 is an abundant number, since it is smaller than the sum of its proper divisors (1447430862).

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

1308134706 is a wasteful number, since it uses less digits than its factorization.

1308134706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88726.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1308134706 is about 36168.1449068099. The cubic root of 1308134706 is about 1093.6646025690.

The spelling of 1308134706 in words is "one billion, three hundred eight million, one hundred thirty-four thousand, seven hundred six".

Divisors: 1 2 3 6 23 46 69 107 138 214 321 642 2461 4922 7383 14766 88591 177182 265773 531546 2037593 4075186 6112779 9479237 12225558 18958474 28437711 56875422 218022451 436044902 654067353 1308134706