Search a number
-
+
1317790130 = 25197668929
BaseRepresentation
bin100111010001011…
…1110000110110010
310101211122200012212
41032202332012302
510144323241010
6334432452122
744441013506
oct11642760662
93354580185
101317790130
11616949258
123093aa042
13180026597
14c7032306
157aa56505
hex4e8be1b2

1317790130 has 16 divisors (see below), whose sum is σ = 2384066520. Its totient is φ = 524439552.

The previous prime is 1317790081. The next prime is 1317790141. The reversal of 1317790130 is 310977131.

It can be written as a sum of positive squares in 4 ways, for example, as 1207771009 + 110019121 = 34753^2 + 10489^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332495 + ... + 336434.

Almost surely, 21317790130 is an apocalyptic number.

1317790130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1317790130 is a deficient number, since it is larger than the sum of its proper divisors (1066276390).

1317790130 is a wasteful number, since it uses less digits than its factorization.

1317790130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669133.

The product of its (nonzero) digits is 3969, while the sum is 32.

The square root of 1317790130 is about 36301.3791749019. The cubic root of 1317790130 is about 1096.3488115122.

The spelling of 1317790130 in words is "one billion, three hundred seventeen million, seven hundred ninety thousand, one hundred thirty".

Divisors: 1 2 5 10 197 394 985 1970 668929 1337858 3344645 6689290 131779013 263558026 658895065 1317790130