Search a number
-
+
3121332006 = 2313265715061
BaseRepresentation
bin1011101000001011…
…1011111100100110
322001112100002120010
42322002323330212
522343030111011
61233420551050
7140230612212
oct27202737446
98045302503
103121332006
111361a01a31
127313b2486
133a9886820
1421878b942
1513405e1a6
hexba0bbf26

3121332006 has 32 divisors (see below), whose sum is σ = 6725845728. Its totient is φ = 959984640.

The previous prime is 3121331963. The next prime is 3121332007. The reversal of 3121332006 is 6002331213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121332007) 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, 199716 + ... + 214776.

It is an arithmetic number, because the mean of its divisors is an integer number (210182679).

Almost surely, 23121332006 is an apocalyptic number.

3121332006 is an abundant number, since it is smaller than the sum of its proper divisors (3604513722).

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

3121332006 is a wasteful number, since it uses less digits than its factorization.

3121332006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17736.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 3121332006 is about 55868.8822691129. The cubic root of 3121332006 is about 1461.4366302503.

Adding to 3121332006 its reverse (6002331213), we get a palindrome (9123663219).

The spelling of 3121332006 in words is "three billion, one hundred twenty-one million, three hundred thirty-two thousand, six".

Divisors: 1 2 3 6 13 26 39 78 2657 5314 7971 15061 15942 30122 34541 45183 69082 90366 103623 195793 207246 391586 587379 1174758 40017077 80034154 120051231 240102462 520222001 1040444002 1560666003 3121332006