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30200031312030 = 232529971071114837
BaseRepresentation
bin1101101110111011111100…
…01000110111100010011110
310221221002120002220021000100
412313131332020313202132
512424244131003441110
6144121411452241530
76234610633445016
oct667357610674236
9127832502807010
1030200031312030
1196938413a9468
123478b754702a6
1313b0b0a0a2648
1476599169cc46
1537588ad85bc0
hex1b777e23789e

30200031312030 has 192 divisors, whose sum is σ = 82832106651840. Its totient is φ = 7623551803392.

The previous prime is 30200031312029. The next prime is 30200031312109. The reversal of 30200031312030 is 3021313000203.

30200031312030 is a `hidden beast` number, since 3 + 0 + 200 + 0 + 313 + 120 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30200031311994 and 30200031312012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26531772 + ... + 27646608.

It is an arithmetic number, because the mean of its divisors is an integer number (431417222145).

Almost surely, 230200031312030 is an apocalyptic number.

30200031312030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30200031312030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41416053325920).

30200031312030 is an abundant number, since it is smaller than the sum of its proper divisors (52632075339810).

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

30200031312030 is a wasteful number, since it uses less digits than its factorization.

30200031312030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115083 (or 1115080 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30200031312030 its reverse (3021313000203), we get a palindrome (33221344312233).

The spelling of 30200031312030 in words is "thirty trillion, two hundred billion, thirty-one million, three hundred twelve thousand, thirty".