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8968429440 = 273251557019
BaseRepresentation
bin10000101101000111…
…10101111110000000
3212011000200102100100
420112203311332000
5121331404220230
64041532322400
7435150251415
oct102643657600
925130612310
108968429440
113892498863
1218a3613400
13acc0784a9
1461115810c
15377542660
hex2168f5f80

8968429440 has 96 divisors (see below), whose sum is σ = 30969127800. Its totient is φ = 2391579648.

The previous prime is 8968429403. The next prime is 8968429447. The reversal of 8968429440 is 449248698.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8968429447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 772750 + ... + 784269.

Almost surely, 28968429440 is an apocalyptic number.

8968429440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8968429440 is an abundant number, since it is smaller than the sum of its proper divisors (22000698360).

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

8968429440 is a wasteful number, since it uses less digits than its factorization.

8968429440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557044 (or 1557029 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The square root of 8968429440 is about 94701.7921688919. The cubic root of 8968429440 is about 2077.6487731608.

The spelling of 8968429440 in words is "eight billion, nine hundred sixty-eight million, four hundred twenty-nine thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 288 320 360 384 480 576 640 720 960 1152 1440 1920 2880 5760 1557019 3114038 4671057 6228076 7785095 9342114 12456152 14013171 15570190 18684228 23355285 24912304 28026342 31140380 37368456 46710570 49824608 56052684 62280760 70065855 74736912 93421140 99649216 112105368 124561520 140131710 149473824 186842280 199298432 224210736 249123040 280263420 298947648 373684560 448421472 498246080 560526840 597895296 747369120 896842944 996492160 1121053680 1494738240 1793685888 2242107360 2989476480 4484214720 8968429440