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3451380912 = 243275416329
BaseRepresentation
bin1100110110110111…
…1110010010110000
322220112101022112200
43031231332102300
524032023142122
61330251023200
7151346153010
oct31555762260
98815338480
103451380912
11151123a621
12803a3ab00
13430075935
1424a543c40
151530065ac
hexcdb7e4b0

3451380912 has 120 divisors (see below), whose sum is σ = 11061092640. Its totient is φ = 984130560.

The previous prime is 3451380859. The next prime is 3451380917. The reversal of 3451380912 is 2190831543.

It is a super-3 number, since 3×34513809123 (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3451380917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542164 + ... + 548492.

It is an arithmetic number, because the mean of its divisors is an integer number (92175772).

Almost surely, 23451380912 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 3451380912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5530546320).

3451380912 is an abundant number, since it is smaller than the sum of its proper divisors (7609711728).

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

3451380912 is a wasteful number, since it uses less digits than its factorization.

3451380912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891 (or 6882 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 3451380912 is about 58748.4545498858. The cubic root of 3451380912 is about 1511.2313847719.

The spelling of 3451380912 in words is "three billion, four hundred fifty-one million, three hundred eighty thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 541 1008 1082 1623 2164 3246 3787 4328 4869 6329 6492 7574 8656 9738 11361 12658 12984 15148 18987 19476 22722 25316 25968 30296 34083 37974 38952 44303 45444 50632 56961 60592 68166 75948 77904 88606 90888 101264 113922 132909 136332 151896 177212 181776 227844 265818 272664 303792 354424 398727 455688 531636 545328 708848 797454 911376 1063272 1594908 2126544 3189816 3423989 6379632 6847978 10271967 13695956 20543934 23967923 27391912 30815901 41087868 47935846 54783824 61631802 71903769 82175736 95871692 123263604 143807538 164351472 191743384 215711307 246527208 287615076 383486768 431422614 493054416 575230152 862845228 1150460304 1725690456 3451380912