Search a number
-
+
190507422805 = 5737612411639
BaseRepresentation
bin1011000101101100100…
…0001001010001010101
3200012201210022210121021
42301123020021101111
511110124400012210
6223303511121141
716522644242560
oct2613310112125
9605653283537
10190507422805
1173880523487
1230b086731b1
1314c707b55ab
1493134c74d7
154e4ede8bda
hex2c5b209455

190507422805 has 32 divisors (see below), whose sum is σ = 272727544320. Its totient is φ = 125019313920.

The previous prime is 190507422803. The next prime is 190507422811. The reversal of 190507422805 is 508224705091.

It is not a de Polignac number, because 190507422805 - 21 = 190507422803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190507422803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1126825 + ... + 1284814.

It is an arithmetic number, because the mean of its divisors is an integer number (8522735760).

Almost surely, 2190507422805 is an apocalyptic number.

It is an amenable number.

190507422805 is a deficient number, since it is larger than the sum of its proper divisors (82220121515).

190507422805 is a wasteful number, since it uses less digits than its factorization.

190507422805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411749.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 190507422805 in words is "one hundred ninety billion, five hundred seven million, four hundred twenty-two thousand, eight hundred five".

Divisors: 1 5 7 35 37 61 185 259 305 427 1295 2135 2257 11285 15799 78995 2411639 12058195 16881473 84407365 89230643 147109979 446153215 624614501 735549895 1029769853 3123072505 5148849265 5443069223 27215346115 38101484561 190507422805