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393211047120 = 243512917126839
BaseRepresentation
bin1011011100011010011…
…01000110110011010000
31101120221112221211102120
411232031031012303100
522420244012001440
6500345541214240
740260064516323
oct5561515066320
91346845854376
10393211047120
1114183a426641
1264259701380
132b105c89a68
14150626a27ba
15a3658bbdd0
hex5b8d346cd0

393211047120 has 80 divisors (see below), whose sum is σ = 1219058225280. Its totient is φ = 104847334912.

The previous prime is 393211047083. The next prime is 393211047161. The reversal of 393211047120 is 21740112393.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×3932110471202 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3036661 + ... + 3163499.

It is an arithmetic number, because the mean of its divisors is an integer number (15238227816).

Almost surely, 2393211047120 is an apocalyptic number.

393211047120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

393211047120 is an abundant number, since it is smaller than the sum of its proper divisors (825847178160).

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

393211047120 is a wasteful number, since it uses less digits than its factorization.

393211047120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139772 (or 139766 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 393211047120 in words is "three hundred ninety-three billion, two hundred eleven million, forty-seven thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 12917 25834 38751 51668 64585 77502 103336 126839 129170 155004 193755 206672 253678 258340 310008 380517 387510 507356 516680 620016 634195 761034 775020 1014712 1033360 1268390 1522068 1550040 1902585 2029424 2536780 3044136 3100080 3805170 5073560 6088272 7610340 10147120 15220680 30441360 1638379363 3276758726 4915138089 6553517452 8191896815 9830276178 13107034904 16383793630 19660552356 24575690445 26214069808 32767587260 39321104712 49151380890 65535174520 78642209424 98302761780 131070349040 196605523560 393211047120