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143927423640 = 233357311213219
BaseRepresentation
bin1000011000001010111…
…1100011001010011000
3111202111112211200011000
42012002233203022120
54324230410024030
6150041440105000
713253440626000
oct2060257431230
9452445750130
10143927423640
1156048307700
1223a89005160
1310759452300
146d7508d000
153b2590c860
hex2182be3298

143927423640 has 2304 divisors, whose sum is σ = 700963200000. Its totient is φ = 26153487360.

The previous prime is 143927423617. The next prime is 143927423669. The reversal of 143927423640 is 46324729341.

143927423640 is a `hidden beast` number, since 14 + 3 + 9 + 274 + 2 + 364 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 7575127551 + ... + 7575127569.

It is an arithmetic number, because the mean of its divisors is an integer number (304237500).

Almost surely, 2143927423640 is an apocalyptic number.

143927423640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143927423640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350481600000).

143927423640 is an abundant number, since it is smaller than the sum of its proper divisors (557035776360).

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

143927423640 is a wasteful number, since it uses less digits than its factorization.

143927423640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 143927423640 in words is "one hundred forty-three billion, nine hundred twenty-seven million, four hundred twenty-three thousand, six hundred forty".