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1613130616 = 234719921559
BaseRepresentation
bin110000000100110…
…0110101101111000
311011102101112012101
41200021212231320
511300430134431
6424022553144
754655245466
oct14011465570
94142345171
101613130616
1175862a9a9
123902987b4
131c9282576
14114351836
1596944961
hex60266b78

1613130616 has 32 divisors (see below), whose sum is σ = 3104640000. Its totient is φ = 785401056.

The previous prime is 1613130613. The next prime is 1613130619. The reversal of 1613130616 is 6160313161.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1613130613) and next prime (1613130619).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613130611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64045 + ... + 85603.

It is an arithmetic number, because the mean of its divisors is an integer number (97020000).

Almost surely, 21613130616 is an apocalyptic number.

It is an amenable number.

1613130616 is a deficient number, since it is larger than the sum of its proper divisors (1491509384).

1613130616 is a wasteful number, since it uses less digits than its factorization.

1613130616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21811 (or 21807 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1613130616 is about 40163.7973304318. The cubic root of 1613130616 is about 1172.7978954026.

Adding to 1613130616 its reverse (6160313161), we get a palindrome (7773443777).

The spelling of 1613130616 in words is "one billion, six hundred thirteen million, one hundred thirty thousand, six hundred sixteen".

Divisors: 1 2 4 8 47 94 188 199 376 398 796 1592 9353 18706 21559 37412 43118 74824 86236 172472 1013273 2026546 4053092 4290241 8106184 8580482 17160964 34321928 201641327 403282654 806565308 1613130616