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1630461013 = 6779308041
BaseRepresentation
bin110000100101110…
…1101110001010101
311012122000000000221
41201023231301111
511314344223023
6425442234341
755255455436
oct14113556125
94178000027
101630461013
11767397545
123960559b1
131cca3c83c
1411678348d
159821985d
hex612edc55

1630461013 has 8 divisors (see below), whose sum is σ = 1675748480. Its totient is φ = 1585789920.

The previous prime is 1630460999. The next prime is 1630461023. The reversal of 1630461013 is 3101640361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1630461013 is a prime.

It is a super-2 number, since 2×16304610132 = 5316806229825972338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630461023) 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, 148728 + ... + 159313.

It is an arithmetic number, because the mean of its divisors is an integer number (209468560).

Almost surely, 21630461013 is an apocalyptic number.

It is an amenable number.

1630461013 is a deficient number, since it is larger than the sum of its proper divisors (45287467).

1630461013 is an equidigital number, since it uses as much as digits as its factorization.

1630461013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308187.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1630461013 is about 40378.9674583192. The cubic root of 1630461013 is about 1176.9828630270.

The spelling of 1630461013 in words is "one billion, six hundred thirty million, four hundred sixty-one thousand, thirteen".

Divisors: 1 67 79 5293 308041 20638747 24335239 1630461013