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557731228813 = 111572331386043
BaseRepresentation
bin10000001110110110101…
…11110010110010001101
31222022121020201000000021
420013123113302302031
533114213143310223
61104115043502141
755203046136653
oct10073327626215
91868536630007
10557731228813
111a5594814150
1290113087951
13407948481b5
141cdcc656dd3
15e7940d265d
hex81db5f2c8d

557731228813 has 16 divisors (see below), whose sum is σ = 614937825216. Its totient is φ = 501636320640.

The previous prime is 557731228807. The next prime is 557731228843. The reversal of 557731228813 is 318822137755.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-557731228813 is a prime.

It is a super-2 number, since 2×5577312288132 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557731228843) 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, 290631 + ... + 1095412.

It is an arithmetic number, because the mean of its divisors is an integer number (38433614076).

Almost surely, 2557731228813 is an apocalyptic number.

It is an amenable number.

557731228813 is a deficient number, since it is larger than the sum of its proper divisors (57206596403).

557731228813 is a wasteful number, since it uses less digits than its factorization.

557731228813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386444.

The product of its digits is 2822400, while the sum is 52.

The spelling of 557731228813 in words is "five hundred fifty-seven billion, seven hundred thirty-one million, two hundred twenty-eight thousand, eight hundred thirteen".

Divisors: 1 11 157 233 1727 2563 36581 402391 1386043 15246473 217608751 322948019 2393696261 3552428209 50702838983 557731228813