Search a number
-
+
190642915000 = 235438128583
BaseRepresentation
bin1011000110001100110…
…1000000011010111000
3200020002020021111221201
42301203031000122320
511110414041240000
6223325151143544
716526211016546
oct2614315003270
9606066244851
10190642915000
117393aa567aa
1230b45b14bb4
1314c928a4ba5
1493274b6d96
154e5bc5e96a
hex2c633406b8

190642915000 has 40 divisors (see below), whose sum is σ = 446676361560. Its totient is φ = 76257164000.

The previous prime is 190642914941. The next prime is 190642915051. The reversal of 190642915000 is 519246091.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19059292 + ... + 19069291.

It is an arithmetic number, because the mean of its divisors is an integer number (11166909039).

Almost surely, 2190642915000 is an apocalyptic number.

190642915000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190642915000 is an abundant number, since it is smaller than the sum of its proper divisors (256033446560).

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

190642915000 is an equidigital number, since it uses as much as digits as its factorization.

190642915000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38128609 (or 38128590 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 190642915000 in words is "one hundred ninety billion, six hundred forty-two million, nine hundred fifteen thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2500 5000 38128583 76257166 152514332 190642915 305028664 381285830 762571660 953214575 1525143320 1906429150 3812858300 4766072875 7625716600 9532145750 19064291500 23830364375 38128583000 47660728750 95321457500 190642915000