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3420245712 = 243137397417
BaseRepresentation
bin1100101111011100…
…1100111011010000
322211100210111002010
43023313030323100
524001040330322
61323215422520
7150520415562
oct31367147320
98740714063
103420245712
1114a5704254
127b5524a40
13426794040
1424635b332
1515040620c
hexcbdcced0

3420245712 has 80 divisors (see below), whose sum is σ = 9529459520. Its totient is φ = 1050817536.

The previous prime is 3420245683. The next prime is 3420245723. The reversal of 3420245712 is 2175420243.

It is a self number, because there is not a number n which added to its sum of digits gives 3420245712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457428 + ... + 464844.

It is an arithmetic number, because the mean of its divisors is an integer number (119118244).

Almost surely, 23420245712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3420245712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4764729760).

3420245712 is an abundant number, since it is smaller than the sum of its proper divisors (6109213808).

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

3420245712 is a wasteful number, since it uses less digits than its factorization.

3420245712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8180 (or 8174 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 3420245712 is about 58482.8668243957. The cubic root of 3420245712 is about 1506.6733354792.

Adding to 3420245712 its reverse (2175420243), we get a palindrome (5595665955).

The spelling of 3420245712 in words is "three billion, four hundred twenty million, two hundred forty-five thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 739 1478 2217 2956 4434 5912 7417 8868 9607 11824 14834 17736 19214 22251 28821 29668 35472 38428 44502 57642 59336 76856 89004 96421 115284 118672 153712 178008 192842 230568 289263 356016 385684 461136 578526 771368 1157052 1542736 2314104 4628208 5481163 10962326 16443489 21924652 32886978 43849304 65773956 71255119 87698608 131547912 142510238 213765357 263095824 285020476 427530714 570040952 855061428 1140081904 1710122856 3420245712