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1055100743 = 6411646023
BaseRepresentation
bin111110111000111…
…000111101000111
32201112100200010022
4332320320331013
54130101210433
6252410245355
735101131314
oct7670707507
92645320108
101055100743
114a1638894
1225542685b
1313a790188
14a01b1d0b
1562967698
hex3ee38f47

1055100743 has 4 divisors (see below), whose sum is σ = 1056747408. Its totient is φ = 1053454080.

The previous prime is 1055100727. The next prime is 1055100751. The reversal of 1055100743 is 3470015501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3470015501 = 20531690217.

It is a cyclic number.

It is not a de Polignac number, because 1055100743 - 24 = 1055100727 is a prime.

It is a super-3 number, since 3×10551007433 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055100703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822371 + ... + 823652.

It is an arithmetic number, because the mean of its divisors is an integer number (264186852).

Almost surely, 21055100743 is an apocalyptic number.

1055100743 is a deficient number, since it is larger than the sum of its proper divisors (1646665).

1055100743 is an equidigital number, since it uses as much as digits as its factorization.

1055100743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646664.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 1055100743 is about 32482.3143110216. The cubic root of 1055100743 is about 1018.0395327546.

The spelling of 1055100743 in words is "one billion, fifty-five million, one hundred thousand, seven hundred forty-three".

Divisors: 1 641 1646023 1055100743