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190497913665 = 3512699860911
BaseRepresentation
bin1011000101101010001…
…1110111101101000001
3200012201010102200111220
42301122203313231001
511110114431214130
6223302531225253
716522500356253
oct2613243675501
9605633380456
10190497913665
1173876119094
1230b05448229
1314c6b836297
14931212dcd3
154e4e16b410
hex2c5a8f7b41

190497913665 has 8 divisors (see below), whose sum is σ = 304796661888. Its totient is φ = 101598887280.

The previous prime is 190497913651. The next prime is 190497913679. The reversal of 190497913665 is 566319794091.

It is an interprime number because it is at equal distance from previous prime (190497913651) and next prime (190497913679).

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

It is not a de Polignac number, because 190497913665 - 27 = 190497913537 is a prime.

It is a super-2 number, since 2×1904979136652 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 190497913599 and 190497913608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6349930441 + ... + 6349930470.

It is an arithmetic number, because the mean of its divisors is an integer number (38099582736).

Almost surely, 2190497913665 is an apocalyptic number.

190497913665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

190497913665 is a deficient number, since it is larger than the sum of its proper divisors (114298748223).

190497913665 is a wasteful number, since it uses less digits than its factorization.

190497913665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12699860919.

The product of its (nonzero) digits is 11022480, while the sum is 60.

The spelling of 190497913665 in words is "one hundred ninety billion, four hundred ninety-seven million, nine hundred thirteen thousand, six hundred sixty-five".

Divisors: 1 3 5 15 12699860911 38099582733 63499304555 190497913665