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1630052668 = 223131301959
BaseRepresentation
bin110000100101000…
…1010000100111100
311012121020020220001
41201022022010330
511314243141133
6425425404044
755252135066
oct14112120474
94177206801
101630052668
11767138772
12395a99624
131cc928a0a
141166b8736
159818887d
hex6128a13c

1630052668 has 12 divisors (see below), whose sum is σ = 2861708080. Its totient is φ = 812421792.

The previous prime is 1630052653. The next prime is 1630052737. The reversal of 1630052668 is 8662500361.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649728 + ... + 652231.

Almost surely, 21630052668 is an apocalyptic number.

It is an amenable number.

1630052668 is a deficient number, since it is larger than the sum of its proper divisors (1231655412).

1630052668 is a wasteful number, since it uses less digits than its factorization.

1630052668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302276 (or 1302274 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1630052668 is about 40373.9107345325. The cubic root of 1630052668 is about 1176.8845973234.

The spelling of 1630052668 in words is "one billion, six hundred thirty million, fifty-two thousand, six hundred sixty-eight".

Divisors: 1 2 4 313 626 1252 1301959 2603918 5207836 407513167 815026334 1630052668