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200072215120 = 2452500902689
BaseRepresentation
bin1011101001010100111…
…0111011101001010000
3201010102101011121000111
42322111032323221100
511234221441340440
6231524545531104
720311655524501
oct2722516735120
9633371147014
10200072215120
1177939605518
1232937943a94
1315b3628500b
14997d91cba8
15530e98b4ea
hex2e953bba50

200072215120 has 20 divisors (see below), whose sum is σ = 465167900340. Its totient is φ = 80028886016.

The previous prime is 200072215117. The next prime is 200072215151. The reversal of 200072215120 is 21512270002.

It can be written as a sum of positive squares in 2 ways, for example, as 137839927824 + 62232287296 = 371268^2 + 249464^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×2000722151202 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200072215091 and 200072215100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250451265 + ... + 1250451424.

It is an arithmetic number, because the mean of its divisors is an integer number (23258395017).

Almost surely, 2200072215120 is an apocalyptic number.

200072215120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200072215120 is an abundant number, since it is smaller than the sum of its proper divisors (265095685220).

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

200072215120 is a wasteful number, since it uses less digits than its factorization.

200072215120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500902702 (or 2500902696 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

Adding to 200072215120 its reverse (21512270002), we get a palindrome (221584485122).

The spelling of 200072215120 in words is "two hundred billion, seventy-two million, two hundred fifteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 2500902689 5001805378 10003610756 12504513445 20007221512 25009026890 40014443024 50018053780 100036107560 200072215120