Search a number
-
+
190390415927 = 1719358028167
BaseRepresentation
bin1011000101010000100…
…1110011001000110111
3200012102122011020100012
42301110021303020313
511104404421302202
6223244131210435
716520023555625
oct2612411631067
9605378136305
10190390415927
1173820476488
1230a95446a1b
1314c52498b5a
149301b4a515
154e449d5152
hex2c54273237

190390415927 has 8 divisors (see below), whose sum is σ = 202634362656. Its totient is φ = 178262525952.

The previous prime is 190390415879. The next prime is 190390415987. The reversal of 190390415927 is 729514093091.

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 190390415927 - 28 = 190390415671 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 (190390415987) 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, 29010803 + ... + 29017364.

It is an arithmetic number, because the mean of its divisors is an integer number (25329295332).

Almost surely, 2190390415927 is an apocalyptic number.

190390415927 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

190390415927 is a deficient number, since it is larger than the sum of its proper divisors (12243946729).

190390415927 is a wasteful number, since it uses less digits than its factorization.

190390415927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58028377.

The product of its (nonzero) digits is 612360, while the sum is 50.

The spelling of 190390415927 in words is "one hundred ninety billion, three hundred ninety million, four hundred fifteen thousand, nine hundred twenty-seven".

Divisors: 1 17 193 3281 58028167 986478839 11199436231 190390415927