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12206312383 = 139599146603
BaseRepresentation
bin10110101111000110…
…11000101110111111
31011111200022220201211
423113203120232333
5144444303444013
65335115345251
7611324641366
oct132743305677
934450286654
1012206312383
1151a4166181
122447a52227
1311c6b1c065
1483b1a47dd
154b692523d
hex2d78d8bbf

12206312383 has 8 divisors (see below), whose sum is σ = 12314736000. Its totient is φ = 12098183448.

The previous prime is 12206312381. The next prime is 12206312429. The reversal of 12206312383 is 38321360221.

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

It is a cyclic number.

It is not a de Polignac number, because 12206312383 - 21 = 12206312381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12206312381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9960 + ... + 156562.

It is an arithmetic number, because the mean of its divisors is an integer number (1539342000).

Almost surely, 212206312383 is an apocalyptic number.

12206312383 is a deficient number, since it is larger than the sum of its proper divisors (108423617).

12206312383 is a wasteful number, since it uses less digits than its factorization.

12206312383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147341.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 12206312383 in words is "twelve billion, two hundred six million, three hundred twelve thousand, three hundred eighty-three".

Divisors: 1 139 599 83261 146603 20377817 87815197 12206312383