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1497312143420 = 22574865607171
BaseRepresentation
bin10101110010011110110…
…000100010100000111100
312022010211020221212122212
4111302132300202200330
5144012443402042140
63103504455355552
7213114535140002
oct25623660424074
95263736855585
101497312143420
11528008740a15
12202232982bb8
13ab2715c2222
14526826b8a72
1528e36412765
hex15c9ec2283c

1497312143420 has 12 divisors (see below), whose sum is σ = 3144355501224. Its totient is φ = 598924857360.

The previous prime is 1497312143399. The next prime is 1497312143423. The reversal of 1497312143420 is 243412137941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497312143423) 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, 37432803566 + ... + 37432803605.

It is an arithmetic number, because the mean of its divisors is an integer number (262029625102).

Almost surely, 21497312143420 is an apocalyptic number.

1497312143420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1497312143420 is an abundant number, since it is smaller than the sum of its proper divisors (1647043357804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1497312143420 is a wasteful number, since it uses less digits than its factorization.

1497312143420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74865607180 (or 74865607178 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 1497312143420 in words is "one trillion, four hundred ninety-seven billion, three hundred twelve million, one hundred forty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 74865607171 149731214342 299462428684 374328035855 748656071710 1497312143420