Search a number
-
+
195946045428 = 22379776131601
BaseRepresentation
bin1011011001111101001…
…0110101111111110100
3200201202211001110021210
42312133102311333310
511202244141423203
6230003311441420
720104503622320
oct2663722657764
9621684043253
10195946045428
1176111486121
1231b85b26270
13156294893a3
1496ab924980
15516c5e2803
hex2d9f4b5ff4

195946045428 has 96 divisors (see below), whose sum is σ = 528620053248. Its totient is φ = 55332864000.

The previous prime is 195946045387. The next prime is 195946045429. The reversal of 195946045428 is 824540649591.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195946045429) 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, 6184828 + ... + 6216428.

It is an arithmetic number, because the mean of its divisors is an integer number (5506458888).

Almost surely, 2195946045428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195946045428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264310026624).

195946045428 is an abundant number, since it is smaller than the sum of its proper divisors (332674007820).

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

195946045428 is a wasteful number, since it uses less digits than its factorization.

195946045428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32473 (or 32471 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 195946045428 in words is "one hundred ninety-five billion, nine hundred forty-six million, forty-five thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 97 194 291 388 582 679 761 1164 1358 1522 2037 2283 2716 3044 4074 4566 5327 8148 9132 10654 15981 21308 31601 31962 63202 63924 73817 94803 126404 147634 189606 221207 221451 295268 379212 442414 442902 516719 663621 884828 885804 1033438 1327242 1550157 2066876 2654484 3065297 3100314 6130594 6200628 9195891 12261188 18391782 21457079 24048361 36783564 42914158 48096722 64371237 72145083 85828316 96193444 128742474 144290166 168338527 257484948 288580332 336677054 505015581 673354108 1010031162 2020062324 2332691017 4665382034 6998073051 9330764068 13996146102 16328837119 27992292204 32657674238 48986511357 65315348476 97973022714 195946045428