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1152966816 = 253219239161
BaseRepresentation
bin100010010111000…
…1110000010100000
32222100111210010200
41010232032002200
54330124414231
6310224025200
740400025201
oct10456160240
92870453120
101152966816
11541902041
12282162200
13154b375b1
14ad1a95a8
156b349be6
hex44b8e0a0

1152966816 has 144 divisors (see below), whose sum is σ = 3601765440. Its totient is φ = 348226560.

The previous prime is 1152966811. The next prime is 1152966847. The reversal of 1152966816 is 6186692511.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (1152966811) by changing a digit.

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, 121276 + ... + 130436.

It is an arithmetic number, because the mean of its divisors is an integer number (25012260).

Almost surely, 21152966816 is an apocalyptic number.

1152966816 is a gapful number since it is divisible by the number (16) 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 1152966816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1800882720).

1152966816 is an abundant number, since it is smaller than the sum of its proper divisors (2448798624).

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

1152966816 is a wasteful number, since it uses less digits than its factorization.

1152966816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9219 (or 9208 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 1152966816 is about 33955.3650547303. The cubic root of 1152966816 is about 1048.5897366440.

The spelling of 1152966816 in words is "one billion, one hundred fifty-two million, nine hundred sixty-six thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 23 24 32 36 38 46 48 57 69 72 76 92 96 114 138 144 152 171 184 207 228 276 288 304 342 368 414 437 456 552 608 684 736 828 874 912 1104 1311 1368 1656 1748 1824 2208 2622 2736 3312 3496 3933 5244 5472 6624 6992 7866 9161 10488 13984 15732 18322 20976 27483 31464 36644 41952 54966 62928 73288 82449 109932 125856 146576 164898 174059 210703 219864 293152 329796 348118 421406 439728 522177 632109 659592 696236 842812 879456 1044354 1264218 1319184 1392472 1566531 1685624 1896327 2088708 2528436 2638368 2784944 3133062 3371248 3792654 4003357 4177416 5056872 5569888 6266124 6742496 7585308 8006714 8354832 10113744 12010071 12532248 15170616 16013428 16709664 20227488 24020142 25064496 30341232 32026856 36030213 48040284 50128992 60682464 64053712 72060426 96080568 128107424 144120852 192161136 288241704 384322272 576483408 1152966816