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190104491668 = 227131891127617
BaseRepresentation
bin1011000100001100011…
…1000101011010010100
3200011200201010202222211
42301003013011122110
511103313222213133
6223155515003204
716506652342330
oct2610307053224
9604621122884
10190104491668
1173694036343
1230a15739504
1314c08188ac0
1492b5b9c7c0
154e29856bcd
hex2c431c5694

190104491668 has 48 divisors (see below), whose sum is σ = 409492306944. Its totient is φ = 75199472640.

The previous prime is 190104491657. The next prime is 190104491677. The reversal of 190104491668 is 866194401091.

It is a super-4 number, since 4×1901044916684 (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6869796 + ... + 6897412.

It is an arithmetic number, because the mean of its divisors is an integer number (8531089728).

Almost surely, 2190104491668 is an apocalyptic number.

It is an amenable number.

190104491668 is an abundant number, since it is smaller than the sum of its proper divisors (219387815276).

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

190104491668 is a wasteful number, since it uses less digits than its factorization.

190104491668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46552 (or 46550 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 190104491668 in words is "one hundred ninety billion, one hundred four million, four hundred ninety-one thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 18911 27617 37822 55234 75644 110468 132377 193319 245843 264754 359021 386638 491686 529508 718042 773276 983372 1436084 1720901 2513147 3441802 5026294 6883604 10052588 522265087 1044530174 2089060348 3655855609 6789446131 7311711218 13578892262 14623422436 27157784524 47526122917 95052245834 190104491668