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31440206022 = 235240034337
BaseRepresentation
bin11101010001111110…
…110111100011000110
310000011010021221121220
4131101332313203012
51003342143043042
622235440421210
72162055225141
oct352176674306
9100133257556
1031440206022
11123741a4145
126115317806
132c70880104
141743825058
15c402b18ec
hex751fb78c6

31440206022 has 8 divisors (see below), whose sum is σ = 62880412056. Its totient is φ = 10480068672.

The previous prime is 31440206003. The next prime is 31440206027. The reversal of 31440206022 is 22060204413.

It is a sphenic number, since it is the product of 3 distinct primes.

31440206022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 31440205983 and 31440206001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31440206027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2620017163 + ... + 2620017174.

It is an arithmetic number, because the mean of its divisors is an integer number (7860051507).

Almost surely, 231440206022 is an apocalyptic number.

31440206022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31440206022 is a wasteful number, since it uses less digits than its factorization.

31440206022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5240034342.

The product of its (nonzero) digits is 2304, while the sum is 24.

The spelling of 31440206022 in words is "thirty-one billion, four hundred forty million, two hundred six thousand, twenty-two".

Divisors: 1 2 3 6 5240034337 10480068674 15720103011 31440206022