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30203023223220 = 22351816197096337
BaseRepresentation
bin1101101111000001100000…
…11110000110100110110100
310221221101021121201002120220
412313200300132012212310
512424321242421120340
6144123024411254340
76235045033331121
oct667406036064664
9127841247632526
1030203023223220
119695037244641
12347966b44a3b0
1313b1195bb41b3
14765b96b9b748
153759b387ced0
hex1b78307869b4

30203023223220 has 192 divisors, whose sum is σ = 85306660857600. Its totient is φ = 7984162897920.

The previous prime is 30203023223213. The next prime is 30203023223221. The reversal of 30203023223220 is 2232232030203.

It is a super-2 number, since 2×302030232232202 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203023223221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4766135892 + ... + 4766142228.

It is an arithmetic number, because the mean of its divisors is an integer number (444305525300).

Almost surely, 230203023223220 is an apocalyptic number.

30203023223220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30203023223220 is an abundant number, since it is smaller than the sum of its proper divisors (55103637634380).

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

30203023223220 is a wasteful number, since it uses less digits than its factorization.

30203023223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7858 (or 7856 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 30203023223220 its reverse (2232232030203), we get a palindrome (32435255253423).

The spelling of 30203023223220 in words is "thirty trillion, two hundred three billion, twenty-three million, two hundred twenty-three thousand, two hundred twenty".