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3130021430 = 251916473797
BaseRepresentation
bin1011101010010000…
…0101011000110110
322002010200120012122
42322210011120312
522402241141210
61234331115542
7140364512624
oct27244053066
98063616178
103130021430
1113668a7478
127342a2bb2
133ab6099b3
142199b0514
15134bc8b55
hexba905636

3130021430 has 16 divisors (see below), whose sum is σ = 5930567280. Its totient is φ = 1186113312.

The previous prime is 3130021429. The next prime is 3130021451. The reversal of 3130021430 is 341200313.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3130021399 and 3130021408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8236709 + ... + 8237088.

It is an arithmetic number, because the mean of its divisors is an integer number (370660455).

Almost surely, 23130021430 is an apocalyptic number.

3130021430 is a deficient number, since it is larger than the sum of its proper divisors (2800545850).

3130021430 is a wasteful number, since it uses less digits than its factorization.

3130021430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16473823.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3130021430 is about 55946.5944450598. The cubic root of 3130021430 is about 1462.7915300686.

Adding to 3130021430 its reverse (341200313), we get a palindrome (3471221743).

It can be divided in two parts, 313002 and 1430, that added together give a cube (314432 = 683).

The spelling of 3130021430 in words is "three billion, one hundred thirty million, twenty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 16473797 32947594 82368985 164737970 313002143 626004286 1565010715 3130021430