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30021011400 = 23352107467617
BaseRepresentation
bin11011111101011001…
…000100011111001000
32212111012211101121010
4123331121010133020
5442440334331100
621442542243520
72111643246402
oct337531043710
985435741533
1030021011400
1111806095226
125999b865a0
132aa5840993
14164b157b72
15baa8c9750
hex6fd6447c8

30021011400 has 96 divisors (see below), whose sum is σ = 93935103840. Its totient is φ = 7930767360.

The previous prime is 30021011369. The next prime is 30021011417. The reversal of 30021011400 is 411012003.

It is a happy number.

It is a super-2 number, since 2×300210114002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 23 ways as a sum of consecutive naturals, for example, 169609 + ... + 298008.

It is an arithmetic number, because the mean of its divisors is an integer number (978490665).

Almost surely, 230021011400 is an apocalyptic number.

30021011400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30021011400 is an abundant number, since it is smaller than the sum of its proper divisors (63914092440).

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

30021011400 is a wasteful number, since it uses less digits than its factorization.

30021011400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467743 (or 467734 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 30021011400 its reverse (411012003), we get a palindrome (30432023403).

The spelling of 30021011400 in words is "thirty billion, twenty-one million, eleven thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 107 120 150 200 214 300 321 428 535 600 642 856 1070 1284 1605 2140 2568 2675 3210 4280 5350 6420 8025 10700 12840 16050 21400 32100 64200 467617 935234 1402851 1870468 2338085 2805702 3740936 4676170 5611404 7014255 9352340 11222808 11690425 14028510 18704680 23380850 28057020 35071275 46761700 50035019 56114040 70142550 93523400 100070038 140285100 150105057 200140076 250175095 280570200 300210114 400280152 500350190 600420228 750525285 1000700380 1200840456 1250875475 1501050570 2001400760 2501750950 3002101140 3752626425 5003501900 6004202280 7505252850 10007003800 15010505700 30021011400