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1925140633 = 134725112553
BaseRepresentation
bin111001010111111…
…0101000010011001
311222011111021110221
41302233311002121
512420314000013
6515010240041
765464265623
oct16257650231
94864437427
101925140633
118a8767719
12458886021
13248ac6a90
1414396dc13
15b402708d
hex72bf5099

1925140633 has 16 divisors (see below), whose sum is σ = 2125944576. Its totient is φ = 1732176000.

The previous prime is 1925140631. The next prime is 1925140661. The reversal of 1925140633 is 3360415291.

It is a cyclic number.

It is not a de Polignac number, because 1925140633 - 21 = 1925140631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1925140631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147085 + ... + 159637.

It is an arithmetic number, because the mean of its divisors is an integer number (132871536).

Almost surely, 21925140633 is an apocalyptic number.

1925140633 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1925140633 is a deficient number, since it is larger than the sum of its proper divisors (200803943).

1925140633 is a wasteful number, since it uses less digits than its factorization.

1925140633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12864.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 1925140633 is about 43876.4245694655. The cubic root of 1925140633 is about 1244.0012598509.

The spelling of 1925140633 in words is "one billion, nine hundred twenty-five million, one hundred forty thousand, six hundred thirty-three".

Divisors: 1 13 47 251 611 3263 11797 12553 153361 163189 589991 3150803 7669883 40960439 148087741 1925140633