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1250145493 = 43712711511
BaseRepresentation
bin100101010000011…
…1011010011010101
310020010100222012221
41022200323103111
510030014123433
6324014542341
742660030022
oct11240732325
93203328187
101250145493
115917468a3
122aa8079b1
1316c000b7c
14bc064549
1574b4372d
hex4a83b4d5

1250145493 has 16 divisors (see below), whose sum is σ = 1302884352. Its totient is φ = 1198638000.

The previous prime is 1250145443. The next prime is 1250145499. The reversal of 1250145493 is 3945410521.

It is a cyclic number.

It is not a de Polignac number, because 1250145493 - 217 = 1250014421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250145499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826608 + ... + 828118.

It is an arithmetic number, because the mean of its divisors is an integer number (81430272).

Almost surely, 21250145493 is an apocalyptic number.

It is an amenable number.

1250145493 is a deficient number, since it is larger than the sum of its proper divisors (52738859).

1250145493 is a wasteful number, since it uses less digits than its factorization.

1250145493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1250145493 is about 35357.3965811964. The cubic root of 1250145493 is about 1077.2591374167.

The spelling of 1250145493 in words is "one billion, two hundred fifty million, one hundred forty-five thousand, four hundred ninety-three".

Divisors: 1 43 71 271 1511 3053 11653 19241 64973 107281 409481 827363 4613083 17607683 29073151 1250145493