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30514005200 = 2452721556837
BaseRepresentation
bin11100011010110001…
…101100010011010000
32220202120111001221202
4130122301230103100
5444443041131300
622003513010332
72130110523200
oct343261542320
986676431852
1030514005200
1111a393a6818
125ab70b39a8
132b53a11aa3
141696808400
15bd8d0bad5
hex71ac6c4d0

30514005200 has 90 divisors (see below), whose sum is σ = 85278915126. Its totient is φ = 10461937920.

The previous prime is 30514005167. The next prime is 30514005229. The reversal of 30514005200 is 250041503.

It can be written as a sum of positive squares in 3 ways, for example, as 6492304 + 30507512896 = 2548^2 + 174664^2 .

It is a super-2 number, since 2×305140052002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 758819 + ... + 798018.

Almost surely, 230514005200 is an apocalyptic number.

It is an amenable number.

30514005200 is an abundant number, since it is smaller than the sum of its proper divisors (54764909926).

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

30514005200 is a wasteful number, since it uses less digits than its factorization.

30514005200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556869 (or 1556851 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 30514005200 its reverse (250041503), we get a palindrome (30764046703).

The spelling of 30514005200 in words is "thirty billion, five hundred fourteen million, five thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 49 50 56 70 80 98 100 112 140 175 196 200 245 280 350 392 400 490 560 700 784 980 1225 1400 1960 2450 2800 3920 4900 9800 19600 1556837 3113674 6227348 7784185 10897859 12454696 15568370 21795718 24909392 31136740 38920925 43591436 54489295 62273480 76285013 77841850 87182872 108978590 124546960 152570026 155683700 174365744 217957180 272446475 305140052 311367400 381425065 435914360 544892950 610280104 622734800 762850130 871828720 1089785900 1220560208 1525700260 1907125325 2179571800 3051400520 3814250650 4359143600 6102801040 7628501300 15257002600 30514005200