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30230211031020 = 2232571113479934961
BaseRepresentation
bin1101101111110100001001…
…11111010110111111101100
310222000222110101100211111100
412313322010333112333230
512430242433010443040
6144143322304323100
76240026545021650
oct667720477267754
9128028411324440
1030230211031020
1196a5619032a90
123482998613490
1313b3909770730
1476721592aa60
1537655565eb30
hex1b7e84fd6fec

30230211031020 has 576 divisors, whose sum is σ = 123148582502400. Its totient is φ = 5797028044800.

The previous prime is 30230211030991. The next prime is 30230211031049. The reversal of 30230211031020 is 2013011203203.

30230211031020 is a `hidden beast` number, since 30 + 2 + 302 + 1 + 1 + 0 + 310 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (30230211030991) and next prime (30230211031049).

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 = 30230211030984 and 30230211031002.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 864666340 + ... + 864701300.

It is an arithmetic number, because the mean of its divisors is an integer number (213799622400).

Almost surely, 230230211031020 is an apocalyptic number.

30230211031020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30230211031020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61574291251200).

30230211031020 is an abundant number, since it is smaller than the sum of its proper divisors (92918371471380).

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

30230211031020 is a wasteful number, since it uses less digits than its factorization.

30230211031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39806 (or 39801 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30230211031020 its reverse (2013011203203), we get a palindrome (32243222234223).

The spelling of 30230211031020 in words is "thirty trillion, two hundred thirty billion, two hundred eleven million, thirty-one thousand, twenty".