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1055145103 = 17280122159
BaseRepresentation
bin111110111001000…
…011110010001111
32201112102220222021
4332321003302033
54130104120403
6252411231011
735101404535
oct7671036217
92645386867
101055145103
114a1669151
12255448467
1313a7a741c
14a01c4155
15629758bd
hex3ee43c8f

1055145103 has 8 divisors (see below), whose sum is σ = 1117661760. Its totient is φ = 992678400.

The previous prime is 1055145101. The next prime is 1055145131. The reversal of 1055145103 is 3015415501.

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 not a de Polignac number, because 1055145103 - 21 = 1055145101 is a prime.

It is a super-2 number, since 2×10551451032 = 2226662376769761218, 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 (1055145101) 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, 36538 + ... + 58696.

It is an arithmetic number, because the mean of its divisors is an integer number (139707720).

Almost surely, 21055145103 is an apocalyptic number.

1055145103 is a deficient number, since it is larger than the sum of its proper divisors (62516657).

1055145103 is a wasteful number, since it uses less digits than its factorization.

1055145103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24977.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1055145103 is about 32482.9971369638. The cubic root of 1055145103 is about 1018.0537998285.

The spelling of 1055145103 in words is "one billion, fifty-five million, one hundred forty-five thousand, one hundred three".

Divisors: 1 17 2801 22159 47617 376703 62067359 1055145103