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3011472640 = 285111911257
BaseRepresentation
bin1011001101111111…
…0110110100000000
321202212121122211201
42303133312310000
522131414111030
61214454150544
7134425044421
oct26337666400
97685548751
103011472640
111305996a70
12700652454
1338cba0497
14207d51648
151295ad2ca
hexb37f6d00

3011472640 has 144 divisors (see below), whose sum is σ = 8284086720. Its totient is φ = 1037352960.

The previous prime is 3011472637. The next prime is 3011472647. The reversal of 3011472640 is 462741103.

It is a super-2 number, since 2×30114726402 = 18137934922937139200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3011472599 and 3011472608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3011472647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261892 + ... + 273148.

It is an arithmetic number, because the mean of its divisors is an integer number (57528380).

Almost surely, 23011472640 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 3011472640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4142043360).

3011472640 is an abundant number, since it is smaller than the sum of its proper divisors (5272614080).

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

3011472640 is a wasteful number, since it uses less digits than its factorization.

3011472640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11308 (or 11294 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 3011472640 is about 54876.8862090407. The cubic root of 3011472640 is about 1444.0857216934.

The spelling of 3011472640 in words is "three billion, eleven million, four hundred seventy-two thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 11 16 19 20 22 32 38 40 44 55 64 76 80 88 95 110 128 152 160 176 190 209 220 256 304 320 352 380 418 440 608 640 704 760 836 880 1045 1216 1280 1408 1520 1672 1760 2090 2432 2816 3040 3344 3520 4180 4864 6080 6688 7040 8360 11257 12160 13376 14080 16720 22514 24320 26752 33440 45028 53504 56285 66880 90056 112570 123827 133760 180112 213883 225140 247654 267520 360224 427766 450280 495308 619135 720448 855532 900560 990616 1069415 1238270 1440896 1711064 1801120 1981232 2138830 2352713 2476540 2881792 3422128 3602240 3962464 4277660 4705426 4953080 6844256 7204480 7924928 8555320 9410852 9906160 11763565 13688512 14408960 15849856 17110640 18821704 19812320 23527130 27377024 31699712 34221280 37643408 39624640 47054260 54754048 68442560 75286816 79249280 94108520 136885120 150573632 158498560 188217040 273770240 301147264 376434080 602294528 752868160 1505736320 3011472640