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1630793642 = 26115318731
BaseRepresentation
bin110000100110011…
…1110111110101010
311012122121220022112
41201030332332222
511314440344032
6425453322322
755261342262
oct14114767652
94178556275
101630793642
117675a4445
123961963a2
131ccb2806a
1411682c7a2
15982831b2
hex6133efaa

1630793642 has 16 divisors (see below), whose sum is σ = 2488200864. Its totient is φ = 801414000.

The previous prime is 1630793621. The next prime is 1630793653. The reversal of 1630793642 is 2463970361.

It is a self number, because there is not a number n which added to its sum of digits gives 1630793642.

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, 182417 + ... + 191147.

It is an arithmetic number, because the mean of its divisors is an integer number (155512554).

Almost surely, 21630793642 is an apocalyptic number.

1630793642 is a deficient number, since it is larger than the sum of its proper divisors (857407222).

1630793642 is a wasteful number, since it uses less digits than its factorization.

1630793642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10325.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 1630793642 is about 40383.0860881137. The cubic root of 1630793642 is about 1177.0628960176.

The spelling of 1630793642 in words is "one billion, six hundred thirty million, seven hundred ninety-three thousand, six hundred forty-two".

Divisors: 1 2 61 122 1531 3062 8731 17462 93391 186782 532591 1065182 13367161 26734322 815396821 1630793642