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140879831040 = 2133351341239
BaseRepresentation
bin1000001100110100010…
…1111010000000000000
3111110122011020221001000
42003031011322000000
54302010214043130
6144415211412000
713115063543244
oct2031505720000
9443564227030
10140879831040
1154823aa0233
1223378454000
1310391c46390
146b66418424
1539e80b7260
hex20cd17a000

140879831040 has 896 divisors, whose sum is σ = 554872550400. Its totient is φ = 33690746880.

The previous prime is 140879831039. The next prime is 140879831089. The reversal of 140879831040 is 40138978041.

It is a happy number.

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 63 ways as a sum of consecutive naturals, for example, 589455241 + ... + 589455479.

It is an arithmetic number, because the mean of its divisors is an integer number (619277400).

Almost surely, 2140879831040 is an apocalyptic number.

140879831040 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 140879831040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277436275200).

140879831040 is an abundant number, since it is smaller than the sum of its proper divisors (413992719360).

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

140879831040 is a wasteful number, since it uses less digits than its factorization.

140879831040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 140879831040 in words is "one hundred forty billion, eight hundred seventy-nine million, eight hundred thirty-one thousand, forty".