Search a number
-
+
3149959680 = 29325719531
BaseRepresentation
bin1011101111000000…
…1001001000000000
322010112012112100100
42323300021020000
522422342202210
61240322322400
7141026133630
oct27360111000
98115175310
103149959680
11137708536a
1273aab9400
133b279ac8a
1421c4c06c0
151368165c0
hexbbc09200

3149959680 has 240 divisors, whose sum is σ = 12468291264. Its totient is φ = 719953920.

The previous prime is 3149959651. The next prime is 3149959691. The reversal of 3149959680 is 869599413.

3149959680 is a `hidden beast` number, since 3 + 1 + 49 + 9 + 596 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151515 + ... + 171045.

Almost surely, 23149959680 is an apocalyptic number.

3149959680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3149959680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6234145632).

3149959680 is an abundant number, since it is smaller than the sum of its proper divisors (9318331584).

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

3149959680 is a wasteful number, since it uses less digits than its factorization.

3149959680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19567 (or 19548 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 3149959680 is about 56124.5016013505. The cubic root of 3149959680 is about 1465.8909543568.

The spelling of 3149959680 in words is "three billion, one hundred forty-nine million, nine hundred fifty-nine thousand, six hundred eighty".