[go: up one dir, main page]

Search a number
-
+
3145262009 = 831491971291
BaseRepresentation
bin1011101101111000…
…1110001110111001
322010012100212100112
42323132032032321
522420141341014
61240033514105
7140641200041
oct27336161671
98105325315
103145262009
11137446699a
12739412935
133b18149a6
1421ba1a721
151361d973e
hexbb78e3b9

3145262009 has 16 divisors (see below), whose sum is σ = 3223281600. Its totient is φ = 3068466240.

The previous prime is 3145261991. The next prime is 3145262017. The reversal of 3145262009 is 9002625413.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3145262009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3145262059) 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, 2435654 + ... + 2436944.

It is an arithmetic number, because the mean of its divisors is an integer number (201455100).

Almost surely, 23145262009 is an apocalyptic number.

It is an amenable number.

3145262009 is a deficient number, since it is larger than the sum of its proper divisors (78019591).

3145262009 is a wasteful number, since it uses less digits than its factorization.

3145262009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 3145262009 is about 56082.6355389973. The cubic root of 3145262009 is about 1465.1618762912.

The spelling of 3145262009 in words is "three billion, one hundred forty-five million, two hundred sixty-two thousand, nine".

Divisors: 1 83 149 197 1291 12367 16351 29353 107153 192359 254327 2436299 15965797 21109141 37894723 3145262009